Fotoceramic
光敏玻璃陶瓷
🗣️ 情景例句
When's the next class?
下一次上课什么时候？
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
How long have you worked in this factory?
你在这家工厂工作有多长时间了？