Undergrounder
n. 在地面下工作的人, 秘密组织成员, 地下铁道乘客
🗣️ 情景例句
Tell me the courses you have completed in school and what is your favorite subject?
你曾修读哪些课程和你最喜欢哪一科？
How can it be so small and heavy?
这样小何以这么重呀？
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，这主意不错。但我还有另外一个难题。我的书面英语也不好。