Actinity
[电] 光化度
🗣️ 情景例句
It was nice meeting you all.
很高兴见到你们一家人。
The staff in this shop is very helpful.
这家商店的店员很热心。
some drifting and slow, others jerky and rapid.
这些活动有的飘忽而缓慢，有的急剧而快速。