Changing of crankcase oil
[建] 换曲轴箱油
🧩 词语组成解析
v. 交换；兑换；改变（change的ing形式）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 曲轴箱\\n[建] 曲柄箱
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
And you didn't exercise?
你没有参加健身操？
As soon as she quit the room he returned to it.
她刚离开房间，他回来了。
As the man tried to swing the speedboat round, the steering wheel came away in his hands.
当那人试图让快艇转弯时，方向盘脱手了。