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
I can see what needs to be done and do it.
我能了解该做什么并切实去做。
Oh, I'll probably just stay home.
哦，我可能就呆在家里了。
You're going out of your way for us, I believe.
我相信这是对我们的特殊照顾了。