school cleaner学校清洁工 双语例句1They can improve our school environment and make the air much cleaner.它们不但能改善我们的校园环境而且能使空气变得更加清新。 2A school dropoat at14, he worked as a cleaner and waiter before finding his first acting job.他14岁的时候成了退学生,在找到第一份表演工作之前,他做过清洁工和侍者。