Unlubricated
无润滑的
🗣️ 情景例句
Michigan has a fine School of Journalism. Michigan
大学有一个很好的新闻学院。
I'm awfully sorry.
真是对不起。
the only sound that could be heard was made by water which dripped continuously from the high dome above them.
唯一的可以听见的声响是高高的圆顶上不间断地滴水的嘀嗒声。