or: 或者，否则，常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus.
and: 并且，Hurry up and you'll catch the bus.
industrious: 勤劳的，勤奋的。如：He is an industrious student.(他是个用功的学生。)
industrial: 工业的，产业的。如：Italy is becoming an industrial nation.(意大利逐步成为工业国。)