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- Helium nitrogen oxygen saturation diving 氦氮氧饱和潜水
- A colorless, odorless, tasteless, gaseous mixture, mainly nitrogen(approximately 78 percent) and oxygen(approximately 21 percent) with lesser amounts of argon, carbon dioxide, hydrogen, neon, helium, and other gases. 空气一种无色、无嗅、无味的气体混合物，主要由氮气(约占78％)和氧气(约占21％)组成，还有少量的氩、二氧化碳、氢、氖、氦及其它气体。
- What are the purposes of helium and nitrogen gas? 氦气与氮气在这套系统中有何作用？
- He stands shivering on the brink, wait to dive in. 他站在边上等待跳水时浑身发抖。
- Most emission nebulae are about 90% hydrogen, with the remainder helium, oxygen, nitrogen, and other elements. 大部分的发射星云都有90%25的氢，其馀的部份则是氦、氧、氮和其他的元素。
- I saw a rabbit dive into its hole. 我看见一只兔子钻进洞。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The market values are in a nose dive. 市价暴跌。
- Do you mean how to dive into the water from a diving board? 你的意思是如何从跳板上潜入水中吗?
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The most commonly used industrial gases that are transported, handled, and stored in the liquid state at cryogenic temperatures are argon, helium, hydrogen, nitrogen, and oxygen. 氩、氦、氢、氮和氧是在低温以液体状态运输、操作和储存的最常用的工业气体。
- Throw your arms out in front of you as you dive. 跳水时手臂迅速前伸。
- Unlike oxygen, the element nitrogen is inactive. 与氧不同，元素氮不活泼。
- The policeman made a dive for the dropped weapon. 警察扑向掉下的武器。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Mark is too lily-livered to dive off the high board. 马克太胆小，不敢从高台跳水。
- The young diver is working under the water with a diving suit. 潜水员穿着潜水衣正在水下工作。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
