【在牙科】是at the dentist's还是at the dentists'？ go to the dentist与go to the de...

at the dentist's

at the dentist's
\u7f51\u7edc \u5728\u7259\u533b\u7684\u8bca\u6240;
[\u4f8b\u53e5]I had to have two fillings at the dentist's today.
\u6211\u4eca\u5929\u4e0d\u5f97\u4e0d\u5728\u7259\u79d1\u8bca\u6240\u8865\u4e86\u4e24\u9897\u7259\u3002

Dentist \u662f\u6307\u4e00\u4e2a\u7259\u533b\uff08singular) \u800cDentists\u662f\u4e00\u4f4d\u4ee5\u4e0a\u7684\u7259\u533b(plural)