Cascade tube
[医] 级联管
🏥 医学释义
级联（X 射线）管
🧩 词语组成解析
🗣️ 情景例句
I mean, Alexandra Pappas.
我是说Alexandra Pappas。
Sorrow comes unsent for.
悲哀来时不须邀。
If a shop assistant told him she had not heard of it, he would pretend to be considerably put out.
要是女售货员告诉他从未听说过这些东西，他会装出十分遗憾和不安的样子。