Annular tubes
[化] 套管
?? 詞語組成解析
annular
[['?njul?]]
a. 環(huán)形的\\n[醫(yī)] 環(huán)狀的
n. 管子, 導管；管狀蟲；倫敦地鐵（tube的復數(shù)）
??? 情景例句
I never really thought about being a mother as a career.
我真的從來沒有想到做母親還是一種事業(yè)。
Don't answer me.
不要回答我。
He speaks little Chinese, so it's difficult to communicate with him.
他只能講一點漢語，所以和他交流很難。