Stel
abbr. 短时间接触容许浓度（Short term exposure limit）
🗣️ 情景例句
I'm sorry, Marilyn.
对不起 ，Marilyn。
Whom will you send that to?
你将把那个送给谁？
Alpine village tended to be impoverished settlements cut off from civilization by the high mountains.
阿尔卑斯山山区的小村几乎全是高山环抱、与世隔绝的穷乡僻壤。