Diffusion (vacuum)pump oil
[化] 扩散泵油; 扩散真空泵油
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
I have a suggestion for you ...
我有一个建议……
We are in great need of Grade A.
我们急需一等品。
She doesn't like eggs.
她不喜欢吃鸡蛋。