Nanograms
(nanogram 的复数) [化] 纳克
🗣️ 情景例句
You can feel very proud of your grandson, Mr. Stewart.
你可以为你的孙子感到非常的骄傲， Sewart先生。
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
But then another question came up.
但是另一个问题出现了。