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
Do you have any tickets available for that date?
你们有那天的票吗？
I learned grammar this afternoon.
我今天下午学语法。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。