W-s
[医][=watt-seconds]瓦秒（焦耳-热量单位）
🗣️ 情景例句
We would expect to hold them until at least the end of this year.
我们会保持这些价格不变，至少直到今年年底。
Is it big or small, daddy?
爸爸，它是大的还是小的？
All at once, I noticed that my wife seemed to be filled with alarm.
突然，我注意到妻子十分惊恐。