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pyrazine ['pirəˌzi:n] n
gen. 对二氮杂苯; 胡椒嗪
chem. 对二嗪; 1,4-二氮杂苯; 1.4-二嗪
food.serv. 吡嗪
met. 对二氮杂苯 (NCHCH-NCHCH)
pyrazines n
tech. 吡嗪
pyrazine
: 93 phrases in 6 subjects
Chemistry11
Ecology1
General4
Perfume72
Pharmacology2
Technology3

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