Nitrc
[機] 氮素的, 含氮的
??? 情景例句
Mrs. Stewart, may I have this dance?
Stewart太太，我可以請你跳這支舞嗎？
What a beautiful garden you have!
你的花園真漂亮。
The garden was soon littered with chunks of metal which had once made up a lawn mower.
一會兒工夫，割草機便被拆成一個個金屬零件，亂七八糟地堆在花園里。