Actinity
[电] 光化度
🗣️ 情景例句
No news is good news as far as I'm concerned.
我觉得没有消息就是最好的消息。
Do you often study history on Saturday?
你常常在星期六学历史吗？
Hi, Li Lei! How are you?
嗨，李垒！你好吗？