who/which/that relatives 關係代名詞 I met a woman. She can dance.我遇見個女人.她會跳舞. I met a woman who can dance.我遇見個會跳舞的女人 Jim was wearing a hat. It was too big.吉姆戴了個帽子. 它太大了. Jim was wearing a hat that (which) was too big.吉姆戴了個太大的帽子 A thief is a person who steals things.小偷是指偷東西的人 medicine(n)藥品 every six hours每隔六小時 doctor(n)醫生 directions (n) 用藥指示 fever(n)發燒(I have a ~)