🗣️ 情景例句
You cannot believe how sorry I am.
你不知道我感到多么抱歉。
How much will the hospital bill be?
住院费大概是多少钱？
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。