Thiaindan
苯并二氢噻吩
🗣️ 情景例句
Good morning. Restaurant Service. May I help you?
早上好，餐厅服务部，能为你效劳吗？
We're in competition with several other companies for the contract.
我们与另外几家公司逐争取这个合同。
Hello, Jim! Did you have a good time at the cinema?
你好，吉姆！你在电影院过得很开心吧？