Kex
n. （具有伞形花序的）空心茎植物；（空心茎植物的）干茎
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
I appreciate your helping me.
感谢你的帮助。
As soon as he opened his mouth, everyone burst out laughing.
但他刚一开口说话，人们便哄堂大笑起来。