Hetron
防火聚酯树脂
🗣️ 情景例句
Yeah. My new advanced exercise class.
对， 新的高级健身班。
Better to do well than to say well.
说得好不如做得好。
(laughing) Really? I've never heard of that before! Thank you very much! Goodbye!
真的吗？我以往从来没有听说过这种事。非常感谢您！再见！