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- The illness is organic in origin. 该病起初是器质性疾患。
- Its origin is wrapped in mystery. 它的起源仍是个未解的谜。
- The apparent celestial origin of a meteoric shower. 流星群的辐射点明显的流星雨太空光源
- The vase seems to have an orient origin. 这花瓶好像来自东方。
- The origin of the universe is an ageless topic. 关于宇宙的起源的问题是个永恒的论题。
- He flew high though he was of humble origin. 他虽出生低微,却胸怀大志。
- What was the origin of the quarrel? 这场争吵的起因是什么?
- CO2 origin 二氧化碳成因
- An inferior character, such as the number2 in CO2. 下标符号一个下标的字或符号，如CO2中的数字2
- A muscle with two heads or points of origin. 二头肌起端有两个头或端的肌肉
- An inferior character,such as the number2 in CO2. 下标符号一个下标的字或符号，如CO2中的数字2。
- The molecular symbol for carbon dioxide is CO2. 二氧化碳的分子式是co2。
- The coming into being of something; the origin. 开端，起源某物的形成; 起源
- Additional CO2 may be added and the beer packaged. 一般会在啤酒中继续通入二氧化碳,最后灌装。
- Putting out fire with CO2 bottles. 用二氧化碳灭。
- CO2 causes about half the total greenhouse effect. 二氧化碳对整个温室效应起了大约一半的作用。
- Lincoln represents the owner's social status in China while it is nothing more than a vehicle in its country of origin. 在中国，林肯轿车象徵车主的社会地位，而在原产国只不过是交通工具罢了。
- CO2, (T), HCO3-,CO32- are closely related to DIN. 、CO2（T）、HCO3-、CO32-与pH、HCO3-/CO32-呈极显著的线性相关；
- One of a breed of small, black dairy cattle of Irish origin. 克立牛一种产于爱尔兰的黑色小乳牛
- Use foam, water, CO2 or dry powder for small fires. 使用泡沫、水性、二氧化碳或干粉（灭火器）处置小型火情。
