第三人称复数:ultrasonics
形容词[声]超声的; 超音波的,超音速的
名词超声波
1. ultrasonic
1. 超声波的
Ultrasonic sounds have very high frequencies, which human beings cannot hear.
1. But the family planning commission has decided to deal severely with illegal ultrasonic checks to know the sex of fetuses to reverse the gender imbalance.
2. The robot is equipped with two flameproof ultrasonic sensors which can help the robot turn away from barriers and move to safe places.
3. Some women opt for abortion after the illegal ultrasonic test results show they are carrying a girl child.
4. In a promotional event for the theme park's new Toy Story Land area, managing director Andrew Kam said the railway is being examined using ultrasonic equipment.
5. Most hospitals didn't have ultrasonic machines in 1982, so my condition was not discovered when mom was pregnant.
6. Over 15 percent of respondents said many of their relatives and friends had used ultrasonic scanning to select the sex of their babies.
7. 911查询·英语单词
7. More ultrasonic equipment from other hospitals had to be transferred to the two.
8. Demolition at an ultrasonic speed has been a main feature ensuring the country's rapid growth in the past decades.
9. He was told to return in five days with the child for an ultrasonic test.
10. And he is expecting to receive a portable ultrasonic device this year.
ultrasonic什么意思
adj
1. having frequencies above those of audible sound
Synonym: supersonic