Circumterrestrial
a. 在地球周圍的,圍繞地球的
??? 情景例句
I was very sad indeed to hear about it.
聽了這件事，我的確非常難過。
How are you doing?
你過得好嗎？
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的語法在進(jìn)步，但我發(fā)現(xiàn)習(xí)語和有用表達(dá)很難學(xué)。