Micrometre
n. 微米,百万分之一米(长度单位,符号为μm)
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
Nothing venture, nothing win (or have or gain).
不入虎穴，焉得虎子。
the gangsters would quickly put a man out of business by destroying his shop.
歹徒们就会很快捣毁他的商店，让他破产。