Crankcase lubrication
[建] 曲轴箱内的润滑油
🧩 词语组成解析
n. 曲轴箱\\n[建] 曲柄箱
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
The children's performances brought down the house.
孩子们的演出博得满场喝彩。
Won't you be embarrassed to leave the party early?
你提早一点离开宴会也无妨吧？
I've lost my science book. Have you seen it anywhere?
我的自然科学书丢了。你在哪看见了吗？