Thioxene
二甲基噻吩
🗣️ 情景例句
Good morning, sir. May I help you?
早安，先生。能为您服务吗？
He seems to be the most muscular guy.
他看起来似乎最魁伟。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。