Diffusion (vacuum)pump
[化] 扩散泵; 扩散真空泵
🧩 词语组成解析
🗣️ 情景例句
the kids in the ward
住院的孩子们
Cry with one eye and laugh with the other.
口不应心。
So it became known as the gold rush.
成为广大为人知的“淘金热”。