Vacuum grease
[化] 真空润滑油
🧩 词语组成解析
grease
[gris]
n. 动物油脂;油膏，润滑油;〈俚〉贿赂;
vt. 涂油脂于，用油脂润滑;贿赂;
🗣️ 情景例句
I've been wanting to meet you for some time.
很久以来我一直想见你。
Which one is more expensive?
哪一个是比较贵的？
I'm cleaning the house.
我在打扫房间。