Banjo lubrication
[机] 放射管式润滑, 离心式润滑
🧩 词语组成解析
n. 班卓琴
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
And my friend Alexandra is going back to Greece ...
我的朋友Alexandra就要回希腊去了……
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。