Ultrasonicator
超声发生器
🗣️ 情景例句
You do. You do. There's a book here.
当然 ，当然。书要出版。
How did you recognize him?
你是如何认识他的？
The contemporary phenomenon of motor-car worship is to be explained not least by the sense of independence and freedom that ownership entails.
当前崇拜汽车现象可以用与所有权相伴的独立和自由意识来解释。