Laff
abbr. launcher air filtration facility 发射器空气过滤设备
🗣️ 情景例句
Not exactly.
还不一定。
We hope they will improve the environment.
我们希望他们把环境改善得更好。
Only one or two people have objected that the students will drive too fast!
只有一两个人提出反对意见，说学生们会把车开得太快！