Les
abbr. 发射脱离系统（Launch Escape System）
🗣️ 情景例句
Bicycle theft is on the increase in the big cities.
大城市里盗窃自行车的案件与日俱增。
Can I have a day off?
我能请一天假吗？
I know someone who always cuts sketches out from newspapers of model clothes that she would like to buy if she had the money.
我认识一个人，她总喜欢从报纸上剪下流行服装的图样，等以后有钱时去买服装。