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n.霍亂腸菌素...

choleragenic的音標：choleragenic的英式發(fā)音音標為：[k?l?r?d'?en?k]choleragenic的美式發(fā)音音標為：[k?l?r?d'?en?k]...

傳播霍亂的...

choleragen的音標：choleragen的英式發(fā)音音標為：['k?l?r?d??n]choleragen的美式發(fā)音音標為：['k?l?r?d??n]...