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
We really enjoyed your company.
我们喜欢与你为伴。
We can't fly our kites any more because the wind has stopped.
由于风静止，所以已经没法放风筝了。
Last Wednesday, I went for a walk in the woods.
上星期三我到树林里去散步。