Micrometre
n. 微米,百万分之一米(长度单位,符号为μm)
🗣️ 情景例句
How about a cup of coffee, Son?
来杯咖啡怎么样， 孩子？
Never say die! Up man, and try.
不要气馁，朋友，振作起来，干！
I hope you are well. Thank you for your last letter.
愿你身体健康。感谢你上次来信。