[=behind-the-ear aid]耳背式助听器,耳后助听器
[=benzilic acid 3α-tropanyl ester]二苯乙醇酸3α-莨菪酯
[=bisbentiamine]双苯硫胺
[=bovine thymus extract]牛胸腺浸膏
[=tropine benzylate]莨菪醇二苯乙醇酸酯