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单词
penicillin
释义
penicillin n[U] substance obtained from mould fungi, used as an antibiotic drug to prevent or treat infections caused by bacteria 青霉素; 盘尼西林.
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yahoo
yak
Yale
yam
yammer
yang
Yank
Yankee
yap
yard
yardage
yard-arm
yard of ale
yardstick
yarmulka
yarn
yarrow
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yawl
yawn
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Y chromosome
yd
ye
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