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- nitrogen family element 氮族元素
- Arsenic Solid poisonous element in the nitrogen family, usually gray or yellow, brittle and crystalline. 氮族化和物中的著名毒物,通常呈灰色或黄色,易碎结晶体。
- There's also the Royal Family element: lacking a domestic equivalent,Americans lap up the latest imported blue-blooded scandals. 此外还有皇室因素: 由于国内没有身份相应的人，美国人贪婪地享受着最近引进的贵族丑闻。
- a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms. 一种多价的氮族非金属元素，通常见于无机磷酸盐岩石中或作为有机磷酸盐存在于活细胞中，极其活跃，有多种同素异形体。
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- He's inconsiderate to his family. 他不体谅他的家人。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Smoking is distasteful to my family. 我一家都不喜欢抽烟。
- It's Bill's wife who really rules the roost in that family. 在比尔家里，真正当家的是她的老婆。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The author dedicated her new book to her supportive family. 这位作家将她的新书献给支持她的家庭。
- Unlike oxygen, the element nitrogen is inactive. 与氧不同，元素氮不活泼。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Her tearful family came to pay their last respects. 她全家含泪前来向死者告别。
- New Year's Day is a day for family reunion. 元旦是一个亲属团聚的日子。
- A family on a budget can't afford meat every day. 经济拮据的家庭不能每天享用肉食。
- The affair has estranged him from his family. 这件事已使他和家人疏远。
