Nanometer
[计] 纳米, 毫微米\\n[化] (nm,旧用mμ)纳米
🗣️ 情景例句
His yearly salary is in seven digits.
他的年薪是7位数。
It's too dark.
太黑暗了。
The slope averages about 1 in 30, but contains steep,
坡度平均约为1/30，但其中包括陡峭的，