Unctuosity
油性, 润滑性
✅ 同义词
🗣️ 情景例句
Well, Grandpa wanted me to study engineering, like him.
嗯 ，爷爷希望我像他一样学工程。
The class made noticeable improvement.
这班有明显的进步。
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，