decibel

英 [ˈdesɪbel]

美 [ˈdesɪbel]

n.  分贝(声音强度的单位)

复数：decibels　

GREIELTSTEM8计算机

BNC.20427

牛津词典

noun

• 分贝（声音强度的单位）
  a unit for measuring how loud a sound is

柯林斯词典

• N-COUNT 分贝（表示声音强度的单位)
  Adecibelis a unit of measurement which is used to indicate how loud a sound is.
  1. Continuous exposure to sound above 80 decibels could be harmful.
     持续暴露在强度高于80分贝的噪声中可能有害。

英英释义

noun

• a logarithmic unit of sound intensity
  Synonym:dB

双语例句

• The noise pollution reached a high decibel level
  噪音污染达到了很高分贝
• With the increase and demand in low voice and low decibel vibration bearing in world market, the research in low noise bearing has become more and more significant.
  随着国内外轴承市场对低噪音轴承的需求量的增加、对轴承振动与噪声分贝值越来越低的要求，使得低噪音轴承的研制工作显得日益重要。
• We normally use mobiles in short bursts of 1-2 minutes and in environments as varied as being on the Tube, on a plane with no connectivity, or inside a high decibel manufacturing facility.
  移动学习环境很广泛，我们一般在地铁上、飞机上或分贝高的制造厂等没有网络连接的时候运用手机移动设备学习1至2分钟。
• Decibel gain referenced to a circularly polarized isotropic antenna
  环形极化各向同性天线增益分贝
• The 2 to 3 decibel ( dB ( A) was reduced from the bus outer acceleration's noise, the result show that the design of cooling system combined with cooling and low noise is feasible.
  采取措施后，客车的车外加速噪声下降了2～3dB（A），表明，兼顾冷却、降噪要求的该后置客车冷却系统设计可行。
• The decibel level was mounting
  噪音在增强。
• "In people, a five decibel difference in hearing ability can be important for everyday speech," Bao says.
  “在人类中，听力上五分贝的差异对于日常说话是非常重要的，”Bao说。
• Toys that make noise can't exceed certain decibel limits.
  有噪声的玩具不能超过规定的分贝限度。
• The most usual system is that of the decibel scale.
  最常用的系统为分贝标度系统。
• Besides, this converter can also reduce the noice by 3-7 decibel more than that in the exhaust muffler.
  此外，本催化净化器还可比消音器减少噪音3&7分贝。