Kevlar
[化] 凯芙拉
🗣️ 情景例句
I have a heavy class load this term.
这个学期我的功课很重。
Would you mind mailing this letter for me?
你能替我寄这封信吗？
Now that a tunnel ahs been built through the mountains, the Pass is less dangerous,
如今由于山里开挖了隧道，翻越山口已不那么危险了。