Photoswitch
光控继电器, 光控开关
🏥 医学释义
光电开关
🗣️ 情景例句
And I'd also like to thank my math teacher
我还要感谢我的数学老师
How are you feeling today?
今天你觉得舒服吗？
No. I've never been to that farm before. What kinds of animals have they got?
不，我以前从来没有去过那个农场。他们有哪些种类的动物？