Les
abbr. 发射脱离系统（Launch Escape System）
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
No matter what she says, don't get angry.
不论她说什么，你也不要生气。
When will the new people move into this house?
新住户什么时候搬进这所房子？