Photocommunication
光通信
🗣️ 情景例句
Yes, I'm quite satisfied. That would be more than I have expected.
我很满意，比我期望的要多。
Please leave me alone.
请别打扰我。
He was so surprised at being discovered that he did not even try to run away.
他由于被人发现而感到非常吃惊，甚至都没有企图逃跑。