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covalence [kəʊ'veiləns] n
gen. 共价电子; 共价键; 河道; 河流方向
agric. 共价 (covalentia)
chem. 共 〔协〕价
sport., med. 共价
covalence
: 4 phrases in 4 subjects
Business1
Chemistry1
Metallurgy1
Technology1

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