Leptinidine
莱普亭定(生物碱)
🗣️ 情景例句
This the rich part of town.
这里是小镇的富人区。
The best physicians are Dr. Diet, Dr. Quiet, and Dr. Merryman.
节食博士、精心博士、快乐博士，三人都是最好的医生。
Hello! Could I speak to the headmaster, please?
您好！我能和校长通话吗？