Kevlar
[化] 凯芙拉
🗣️ 情景例句
Why are you back so early?
你们怎么这么早回来？
Would you mind opening the window?
你介意开窗吗？
The woman immediately behind the two cars happened to be a learner.
紧跟其后的一辆车上的司机碰巧是个初学者，