GbEng
水由氢和氧组成。 Water is composed of hydrogen and oxygen.
铁很容易氧化。 Iron is easily oxidized.
给我拔牙时用了一氧化二氮。 I was given gas when they pulled my tooth out.
两个氢原子和一个氧原子结合而成一个水分子。 Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
为了存活植物必须有氧气 Plants must have oxygen in order to live.
五氧化物由五个氧原子和其它元素或基组成的化合物 A compound having five atoms of oxygen combined with another element or radical.
水由氢和氧化合而成。 Water is composed of hydrogen and oxygen.
氢与氧化合成水. Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water.
植物可以吸收二氧化碳释放氧气。 Plants can absorb carbon dioxide and release oxygen.
水分子含有两个氢原子和一个氧原子. A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
大气中如果没有氧和氮，人就无法生存于地球了。 If it were not for oxygen and nitrogen in the air, no man could live on the earth.
鱼通过鳃摄取氧气. Fish take in oxygen through their gills.
（湖泊等）优氧化的水中富有矿物有机物，有利于植物，特别是藻类的增殖，但藻类往往使分解的氧含量过低，从而使别的有机物灭绝。用于指湖泊或池塘 Having waters rich in mineral and organic nutrients that promote a proliferation of plant life, especially algae, which reduces the dissolved oxygen content and often causes the extinction of other organisms. Used of a lake or pond.
他们刷了一层油漆以防止船只被海水氧化。 They painted a coat of paint to prevent the oxidation of the ship by seawater.
水含有氢和氧。 Water contains hydrogen and oxygen.
二氧化碳是由碳和氧组成的。 Carbon dioxide consists of carbon and oxygen.
水是由氢元素和氧元素组成的. Water is composed of the elements hydrogen and oxygen.
碳14原子氧化生成二氧化碳，向四周散去并与低空的大气混合。 The carbon14 atoms oxidize to carbon dioxide which gets blown about and mixed up with lower atmosphere.
有氧健身法旨在增强循环和呼吸功效的生理调节体系，包括有力的、持久的锻炼，例如慢跑、游泳或骑自行车，从而提高肌体对氧气的利用 A system of physical conditioning designed to enhance circulatory and respiratory efficiency that involves vigorous, sustained exercise, such as jogging, swimming, or cycling, thereby improving the body's utilization of oxygen.