Idotron
光电管检验仪
🗣️ 情景例句
Well, there's a lot to think about.
噢 有许多事需要考虑。
Perhaps I can sneak out of the classroom unnoticed.
也许我可以神不知鬼不觉地溜进教室。
I'm sorry, but it's not allowed.
对不起，这是不允许的。