Tubes
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
His excuse sounds unconvincing.
他说的理由好像不可难。
That's it.
对了。
I am used to traveling by air and only on one occasion have I ever felt frightened.
我习惯了乘飞机旅行，只是有一次把我吓坏了。