Les
abbr. 发射脱离系统（Launch Escape System）
🗣️ 情景例句
Keep it down!
小点儿声！
She's after a job in publishing.
她正在找一份出版业的工作。
We're having a special showing next week in our showroom.
下周我们的展示室将有一个特别的展示会，