这个实用的基础模型较为简略地解释了人类的行为。This basic utilitarian model gives a relatively unsophisticated account of human behaviour.这家旅游办事处提供十分实用的住宿查询服务。The tourist office operates a useful room-finding service.你需要一双实用的靴子穿越丛林。You'll ...
I'm afraid I made a pig of myself at dinner.恐怕我晚餐时吃得太多了。"A talking pig!" he exclaimed. "Well, I'll be darned."“一只会说话的猪!”他大声叫道，“哎呀，真是怪事。”I am not sure whether this was courage or pig-headedness.我不能肯定这是一种勇气，还是一种固...