ultrasonic是什么意思

音标:英 [ˌʌltrəˈsɒnɪk]美 [ˌʌltrəˈsɑnɪk]

超声波a. 超音速的

s having frequencies above those of audible sound

ultrasonic的用法和例句：

1. No, it's ultrasonic, so you wouldn't be able to hear it.

不 它以超声波形式存在 所以你听不到

2. Have him monitor the city for any abnormal ultrasonic activity.

让他监控整个城市 任何超声波异常活动

3. Now this polymer reacts to ultrasonic pulses.

这种聚合物能对超声脉冲做出反应

4. Oh, it's an ultrasonic microphone so we can hear the baby's heartbeat.

是一个超声波麦克风 用它可以听到宝宝的心跳

5. We'll also need an electrocautery machine and an ultrasonic cavitation device.

我们还需要电凝机 以及超声空化设备

6. It sends concentrated blasts of highfrequency ultrasonic waves at whatever you aim it at.

它能朝目标发射出高频率的 超声波束

7. You see, the point is this, that with this type of auditory phenomenon, taken to its ultrasonic extreme, can be fatal.

关键问题是 一旦这种听觉现象 达到超声波极限 就能致人死命

8. ultrasonic scanners indicate the beacon's location is somewhere near the command module a few hundred feet ahead.

超声波扫描仪显示 信号位置就在正前方三十米左右的 控制板附近

9. They use digital maps to navigate and ultrasonic sensors to move freely through the hallways without colliding into humans.

它们能够使用数字地图进行导航 能够使用超声传感器在走道中自由行走 绝不会撞到人类

10. He's never seen one but says that directed ultrasonic waves can sever nerves and burst blood vessels.

他从没见过这种事 不过他说定向超声波 可以切断神经并破坏血管