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polyacetylene [ˌpɒliə'sεtəliːn, ˌpɑːliə'sεt̬əliːn] n
gen. 多炔; 乙炔聚合物
el. 聚乙炔
polym. 聚乙块
polyacetylenes [ˌpɔliə'setəliːnz] n
gen. 多炔; 聚乙炔; 乙炔聚合物
polyacetylene
: 1 phrase in 1 subject
Chemistry1

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