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demethyltetracycline的音標(biāo)：demethyltetracycline的英式發(fā)音音標(biāo)為：[d?meθ?ltetr?s?k'la?n]demethyltetracycline的美式發(fā)音音標(biāo)為：[d?meθ?ltetr?s?k'la?n]...