个人资料图片
English
  • 全部
  • 搜索
  • 图片
  • 视频
  • 地图
  • 资讯
  • 更多
    • 购物
    • 航班
    • 旅游
  • 笔记本
报告不当内容
请选择下列任一选项。

30 的热门建议

40 DB
40
DB
30 Decibels
30
Decibels
Sound DB Chart
Sound DB
Chart
45 DB Noise
45 DB
Noise
What Does 30 DB Sound Like
What Does 30
DB Sound Like
50 DB Noise
50 DB
Noise
30 DB Sound
30
DB Sound
DB Meter
DB
Meter
45 DB Noise Level
45 DB Noise
Level
56 DB Sound Examples
56 DB Sound
Examples
20 DB Sound
20 DB
Sound
100 DB Noise
100 DB
Noise
60 DB Sound
60 DB
Sound
70 DB Noise
70 DB
Noise
25 DB Sound
25 DB
Sound
78 DB Sound Level
78 DB Sound
Level
DB Loudness Level
DB Loudness
Level
80 DB Noise Level
80 DB Noise
Level
55 DB Noise
55 DB
Noise
DB Sound Test
DB Sound
Test
74 DB
74
DB
  • 时长
    全部短(小于 5 分钟)中(5-20 分钟)长(大于 20 分钟)
  • 日期
    全部过去 24 小时过去一周过去一个月去年
  • 清晰度
    全部低于 360p360p 或更高480p 或更高720p 或更高1080p 或更高
  • 源
    全部
    Dailymotion
    Vimeo
    Metacafe
    Hulu
    VEVO
    Myspace
    MTV
    CBS
    Fox
    CNN
    MSN
  • 价格
    全部免费付费
  • 清除筛选条件
  • 安全搜索:
  • 中等
    严格中等（默认）关闭
筛选器
  1. 40
    DB
  2. 30
    Decibels
  3. Sound DB
    Chart
  4. 45 DB
    Noise
  5. What Does 30 DB
    Sound Like
  6. 50 DB
    Noise
  7. 30 DB
    Sound
  8. DB
    Meter
  9. 45 DB
    Noise Level
  10. 56 DB
    Sound Examples
  11. 20 DB
    Sound
  12. 100 DB
    Noise
  13. 60 DB
    Sound
  14. 70 DB
    Noise
  15. 25 DB
    Sound
  16. 78 DB
    Sound Level
  17. DB
    Loudness Level
  18. 80 DB
    Noise Level
  19. 55 DB
    Noise
  20. DB
    Sound Test
  21. 74
    DB
1 to 30 and 30 to 1 | Jack Hartmann Count to 30 | Counting Song
3:19
YouTubeJack Hartmann Kids Music Channel
1 to 30 and 30 to 1 | Jack Hartmann Count to 30 | Counting Song
Jack Hartmann's 1-30 and 30-1 video teaches the skill of counting forward and backwards from 1 to 30 and 30 to 1. Count forward by 1's to 30 and exercise as you build ...
已浏览 740.6万 次2020年5月20日
相关产品
10 dB Attenuator
What Does 30 DB Sound Like
30 dB Attenuator
#decibel
The Decibel Scale Measuring the Intensity of Sound
The Decibel Scale Measuring the Intensity of Sound
YouTube2023年7月14日
Common Sounds & Their Decibel Levels
Common Sounds & Their Decibel Levels
YouTube7 个月之前
热门视频
Count to 30 | Learn Numbers 1 to 30 | Learn Counting Numbers | ESL for Kids | Fun Kids English
2:57
Count to 30 | Learn Numbers 1 to 30 | Learn Counting Numbers | ESL for Kids | Fun Kids English
YouTubeFun Kids English
已浏览 259.4万 次2017年9月21日
Count to 30! (song for kids about counting by 1s up to 30)
2:05
Count to 30! (song for kids about counting by 1s up to 30)
YouTubeHarry Kindergarten Music
已浏览 56.3万 次2020年6月19日
Learning Numbers 1-30 | Out of Order Number Recognition | Identify Numbers | Learn Numbers up to 30
4:11
Learning Numbers 1-30 | Out of Order Number Recognition | Identify Numbers | Learn Numbers up to 30
YouTubeThe Kinder Kind
已浏览 3.3万 次2023年1月4日
Decibel Scale
Decibels Explained: Understanding Loud Noise and Hearing Damage #shorts
1:34
Decibels Explained: Understanding Loud Noise and Hearing Damage #shorts
YouTubeMy Longevity Experiment
已浏览 561 次1 周前
The Decibel Scale. What is the range of sound levels for human hearing?
0:50
The Decibel Scale. What is the range of sound levels for human hearing?
YouTubeSpectrum of Science
已浏览 391 次2024年4月24日
dB Full Form in Electronics Engineering // dB Abbreviation stands for in Electronics
0:06
dB Full Form in Electronics Engineering // dB Abbreviation stands for in Electronics
YouTubeElectrical Engineering XYZ
已浏览 897 次4 周前
Count to 30 | Learn Numbers 1 to 30 | Learn Counting Numbers | ESL for Kids | Fun Kids English
2:57
Count to 30 | Learn Numbers 1 to 30 | Learn Counting Numbers | ESL f…
已浏览 259.4万 次2017年9月21日
YouTubeFun Kids English
Count to 30! (song for kids about counting by 1s up to 30)
2:05
Count to 30! (song for kids about counting by 1s up to 30)
已浏览 56.3万 次2020年6月19日
YouTubeHarry Kindergarten Music
Learning Numbers 1-30 | Out of Order Number Recognition | Identify Numbers | Learn Numbers up to 30
4:11
Learning Numbers 1-30 | Out of Order Number Recognition | Identi…
已浏览 3.3万 次2023年1月4日
YouTubeThe Kinder Kind
“Counting to 30” Numbers 123s & More | Learn to Count, Number Song & Nursery Rhymes for Children
1:12:35
“Counting to 30” Numbers 123s & More | Learn to Count, Number So…
已浏览 108.3万 次2016年2月19日
YouTubeBaby Beavers - Toddler Learning Toys & Songs
Meet Numberblock 30! | Counting for Kids | Maths Cartoons | @Numberblocks
0:45
Meet Numberblock 30! | Counting for Kids | Maths Cartoons | @Num…
已浏览 366.5万 次2024年6月5日
YouTubeNumberblocks
Count from 1 to 30 | Learn Favourite Numbers | Counting for kids | Educational Video For Kids
2:48
Count from 1 to 30 | Learn Favourite Numbers | Counting for kids | Edu…
已浏览 16.8万 次2021年7月1日
YouTubePants Bear Kids - Cartoons
Bank Holiday Big Number Fun! | 30 Minutes of Maths | Learn to Count for Kids | ‪@Numberblocks‬
38:42
Bank Holiday Big Number Fun! | 30 Minutes of Maths | Learn to Count …
已浏览 1727.3万 次2022年8月29日
YouTubeNumberblocks
6:23
Sign Numbers 30 - 66 in American Sign Language
已浏览 2.5万 次2021年1月25日
YouTubeASLMeredith
2:58
Numbers 30 Summary: A Concise Overview in 5 Minutes
已浏览 1.1万 次2023年5月28日
YouTube2BeLikeChrist
观看更多视频
静态缩略图占位符
更多类似内容
反馈
  • 隐私
  • 条款