W-s
[医][=watt-seconds]瓦秒（焦耳-热量单位）
🗣️ 情景例句
You can see many posters that are put up before the movie opens.
每部电影首映前你都会看到铺天盖地的海报。
Are most of the lakes located in the north central region?
大多数湖位于向北中央的区域吗？
You look as if you didn't care.
你看上去好像满不在乎。