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- boron oxygen tetrahedron 硼氧四面体
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Mars is too dry and poor in oxygen. 火星上面过于干燥,并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- boron oxygen triangle 硼氧三角钵
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火,引起了一连串的爆炸。
- The Rubik's is a toy in the shape of a tetrahedron. 魔方是个四面体的玩具。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Of, relating to, derived from, or containing boron. 硼的硼的、与硼有关的、来源于硼的或含硼的
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- BDD electrode intermingled with boron. 硼掺杂金刚石薄膜电极
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- A trademark used for an abrasive of boron nitride granules. 氮化硼用于一种由氮化硼微粒组成的磨料的商标
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体,例如细菌
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- The internal structure of silica has a pyramid(tetrahedron) unit. 硅的内部结构是一个四面体。
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。