Vibration performance
[化] 振动特性
🧩 词语组成解析
🗣️ 情景例句
She keeps all of her jewelry and valuables in a safe.
她把所有的首饰和贵重物品都放在保险柜里。
As you all know.
你们知道。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。