1、zero作名词用，意为“零，零度”。
2、例句：The temperature is expected to drop to ten degrees below zero tonight.今晚气温预计会降到零下十度。
3、例句：The Indians created the number zero because they're very cheap.数字零是印度人发明的，因为他们花钱很小气。
4、zero作形容词用，意为“全无的，没有的”。
5、例句：Ha said that his chances of getting the job were zero.他说他得到这份工作的可能性为零。
