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
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
Take care of the pence, and the pounds will take care of themselves.
积少自然成多。
Perhaps the most extraordinary building of the nineteeth century was the Crystal Palace, which was built in Hyde Park for the Great Exhibition of 1851.