Stel
abbr. 短时间接触容许浓度（Short term exposure limit）
🗣️ 情景例句
Going swimming should be a good way of letting your hair down after a hard day's work.
游泳是在辛苦了一天后放松自己的好方法。
I've got a lot of things to do before I can leave.
在我能离开以前，我有很多事情做。
What's this in English?
这用英语怎么说？