Antifriction
a. 防摩(擦)的, 减摩的\\nn. 润滑剂
🗣️ 情景例句
Protein, vitamins.
蛋白质， 维他命。
I informed her mother of her safe arrival.
我通知她母亲她已经平安抵达。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。