常見(jiàn)例句Air consists chiefly of nitrogen. 空氣主要由氮?dú)饨M成。Nitrogen forms most of the Earth's air. 地球上空氣的大部分成分是氮?dú)狻?/li>The lamp is full of gaseous nitrogen. 燈裡充滿(mǎn)了氣躰氮。Nitrogen forms about 78% of the earth's atmosphere. 氮約佔(zhàn)地球大氣的百分之七十八。Will you sunder nitrogen from air? 你能從空氣中把氮?dú)夥蛛x出來(lái)嗎?Nitrogen is the most commonly used gas. 氮?dú)馐亲畛S玫臍廛n。 返回 nitrogenation