Nanograms
(nanogram 的复数) [化] 纳克
🗣️ 情景例句
I have a call to make.
我需要打个电话。
Their son will start college in September.
他们的儿子将于九月份开始上大学。
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。