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adj.（細菌等）無毒力的，無致病力的，無毒性的...
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avirulent的音標：avirulent的英式發(fā)音音標為：[?v??ru:'l?nt]avirulent的美式發(fā)音音標為：[?v??ru'l?nt]...
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Because variety of reasons are popularized hard , replace the new - style and avirulent product of benzene preparation.替代苯制劑的新型無毒產(chǎn)品由于種種原因難以推廣....