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
Be our guest.
请随意。
You'll have to decide whether you want to pass your examinations or just have a good time.
你必须决定你是想通过考试还是好好玩一玩。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，还有一种更加隐蔽有害的污染，它专门影响城镇地区，侵袭我们的日常生活，那就是噪音。