n. 一副;一对男女;套在一起的两匹马;雌雄成对的动物;
vt.& vi. (使…)成对,(使…)成双;
vi. 交配,交尾;
🗣️ 情景例句
All the employees in the office eat fast food for lunch.
办公室里的职员中午都是吃快餐的。
I'm afraid you are mistaken.
我想您错了。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.