Nanograms
(nanogram 的复数) [化] 纳克
🗣️ 情景例句
I'm sorry. I missed that.
对不起，我没听清。
Life is long if you know how to use it.
如果懂得好好利用，生命就长了。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜，穿着旧衣裳，特别小心以防别人认出他们。