短语词组短語heat -labile-toxin producing 産不耐熱毒素大腸埃希菌recombinant heat -labile toxin b subunit 大腸杆菌不耐熱毒素b亞單位escherichia coli heat -labile toxin 大腸杆菌不熱腸毒素 返回 heat-labile toxin