oxygen
US /ˈɑːk.sɪ.dʒən/
UK /ˈɑːk.sɪ.dʒən/
名詞
1.
氧氣
a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Oxygen forms oxides with most elements and is a constituent of proteins, nucleic acids, carbohydrates, and lipids. It is released by plants during photosynthesis and is used by animals in respiration.
範例:
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Humans need oxygen to breathe.
人類需要氧氣來呼吸。
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The divers carried tanks of compressed oxygen.
潛水員攜帶壓縮氧氣罐。
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