| ultrasonic | |
| 级别 | 第9级 |
| 音标 | [ ˌʌltrəˈsɒnɪk ] |
| 解释 | adj.超声的；n.超声波 |
| 英英释义 | describes sound which is too high for people to hear |
| 发音 |  |
| 例句 |
1. 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。 2. Sounds are classified into two kinds: sonic and ultrasonic. 声波分为两类，即普通声波与超声波。 |
