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
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
Sorry. Were you trying to sleep?
对不起。你想睡觉吗？
The child learning to see, first distinguishes only two-dimensional shape;
正在学看东西的儿童起初只会分辨二维形态，