WordTaiwan frequency #7,035
二氧化碳
ㄦˋ ㄧㄤˇ ㄏㄨㄚˋ ㄊㄢˋ
“carbon dioxide; CO2; a colorless, odorless gas used in fire extinguishers; solid form is dry ice; dissolves in water to form carbonic acid; exhaled by animals, absorbed by plants; a greenhouse gas”
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Characters in this word
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二
ㄦˋ
The number two; second in order; twice; a pair; dual; also used as a variant of 'to change' or 'to compare'.
氧
ㄧㄤˇ
Oxygen; the chemical element O, essential for respiration and combustion; found naturally in the air.
化
ㄏㄨㄚˋ
To change or transform; to make into; to convert; to dissolve; to die; suffix indicating -ization or -ize.
碳
ㄊㄢˋ
Carbon; the chemical element with symbol C; a nonmetal essential to organic life; found in diamond and graphite.