n. 负担,包袱;责任,义务;载货量;(诗歌,发言等的)重点;
vt. 使烦恼,劳累;向(车,船等)上装货;
🗣️ 情景例句
What has kept you so busy?
什么使你这么忙?
Where are you from?
你来自哪儿?
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.