Nitrogens
(nitrogen 的复数) n. 氮\\n[化] 氮N-2
🗣️ 情景例句
I'm sure glad you're here, Grandpa.
您来这里我真高兴， 爷爷。
A boisterous horse must have a rough bridle.
烈马要套粗笼头。
Oh dear! It's very warm in this clasroom, isn't?
天哪，这屋里真暖和，不是吗？