意思:
n. 零点，零度
num. 零
Students who score zero on this exam will be punished by the teacher.
本次考试得0分的学生会受到老师的惩罚。
The instrument needs to be zeroed out before measurement.
测量前需要将仪器归零。
He learned zero lesson from the failure but the failure itself.
他从这次失败中除了失败本身没有得到任何的经验。
