Actograph
n. (物质、有机体等的)活动变化记录仪
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
What has the captain ordered us to do?
船长命令我们做那些事？
Don't cry over spilt milk.
不要做无益的后悔。