Annular tubes
[化] 套管
🧩 词语组成解析
annular
[['ænjulə]]
a. 环形的\\n[医] 环状的
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
Put the receiver closer to your mouth.I can't hear you.
把听筒放近你的嘴，我不能听见你的话。
Just the weekend. Well, I must be off. See you when I get back.
只呆这个周末。好啦，我得走了。回来再见。