西瓜单词

ultrasonic是什么意思

ultrasonic

英 [ʌltrə'sɒnɪk] 美 [,ʌltrə'sɑnɪk]

ultrasonic 超音速的

ultra-, 超过的，极其的，-son, 声音，词源同sound.

ultrasonic (adj.): "having frequency beyond the audible range," 1923, from ultra- + sonic. For sense, see supersonic.

1. He measured the speed at which ultrasonic waves travel along the bone.

他测出了超声波穿过骨头的速度。

来自柯林斯例句

2. Some systems utilize other types of sensors, as thermal sensors, ultrasonic sensors.: 某些系统使用其他型态的感测器, 例如热感测器、 ultrasonic感测器等.

4. Modern medical technology like type-B ultrasonic checks can reveal the fetus gender.: 现在的医疗仪器例如B超是可以分辨出胎儿的性别的。

5. It was very necessary for people to take type-B ultrasonic inspection regularly.: 定期进行B超检查是十分必要的。