Vibratom
振动磨机; 振动球磨机
🗣️ 情景例句
I'd like to make an appointment to discuss a question.
我想约个时间讨论个问题。
Delays are dangerous.
坐失良机必有忧患。
However, a few days later, he was told that a mistake had been made.
然而，几天之后，有人告诉他说弄错了。