Optron
光导发光元件
🗣️ 情景例句
I've been looking forward to meeting you.
我一直盼望能有幸认识你。
Take your time.
慢慢来。
The path led to a tiny village perched on the steep sides of a mountain.
顺着小路，我们来到一个座落在陡峭山坡上的小村庄。