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'm glad to make you acquaintance.
我很高兴认识你。
I'm the thinnest boy in my team.
我是我的那一队伍中最廋的男孩。
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。