Nanometres
(nanometre 的复数) n. <英>十亿分之一公尺, 毫微米; 纳米
🗣️ 情景例句
My great-grandmother made that quilt
我曾祖母缝好了这个被罩。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
Hello, Li Lei. Who are they?
你好，李磊，他们是谁？