Thickness vibration
[电] 厚度振荡
🧩 词语组成解析
🗣️ 情景例句
Here is a copy of all the things we need to start with.
这是我们一开始就需要的所有东西的清单。
Rain before seven: fine before eleven.
早雨不过午。
A lot of cars entered for this race last year and there was a great deal of excitement just before it began.
去年有很多汽车参加了这项比赛。比赛开始之前，人们异常激动。