✅ 同义词
🗣️ 情景例句
Well, I'm not sure. Ellen.
噢, 我无法肯定, Ellen。
The hippopotamus is sleeping.
河马在呼呼大睡。
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话,我们想留几个晚上供你们自由支配。