Optronic
光导发光的
🗣️ 情景例句
Why do you want to resign your position as secretary?
你为什么想辞去秘书的职务？
When do you want to leave?
你想什么时候离开？
Very excited, the party dug a hole two feel deep.
队员们异常激动，就地挖了一个两英尺深的坑，