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
My computer was infected by a virus, I guess since I didn't have firewall installed.
我的电脑受到病毒感染了，我想是因为我没装防火墙。
You're way behind schedule.
你比预定的落后了。
Such data is confidential.
这样的资料为机密资料。