Normal vibration
[化] 简正振动
🧩 词语组成解析
🗣️ 情景例句
Three months ago.
三个月之前。
I think it's going to be too small.
我认为它将太小。
We had to queue for hours to get in and there must have been several hundred people present just before the show began.
我们不得不排了好几个小时才进得场去。在演出开始前场内肯定已有好几百人了。