Oil dag
[化] 石墨滑油; 石墨润滑剂; 胶体石墨; 黑铅油
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
[化] 滑料石墨灰
🗣️ 情景例句
Now let's discuss the freight and packing.
现在让我们来讨论一下货运与包装问题。
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
Then they wake up their parents, calling: Merry Christmas!
然后去吵醒他们的父母亲，对他们说“圣诞快乐！”