Estergum
松酯胶, 酯树胶
🗣️ 情景例句
I am looking forward to seeing you.
我正盼望能见到你
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。
When did you have a meeting?
你们什么时候开的会？