Ultra-sonic machining
[机] 超音波加工法
🧩 词语组成解析
ultra
[['ʌltrə]]
a. 过分的, 极端的\\nn. 极端主义者, 过激论者, 急进论者
sonic
[['sɔnik]]
a. 音波的, 音速的, 声音的\\n[电] 音波
[机] 机制
🗣️ 情景例句
But it won't be on my birthday.
但是那就不是在我生日那天了。
Do you have any toys?
你有玩具吗？
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。