Retentivity
n. 保持力, 记忆力, 顽磁性\\n[化] 剩余磁化强度
🗣️ 情景例句
I cried because I miss them all.
我哭因为我想念他们。
You'll regret it if you don't go.
不去你会后悔。
Excuse me! Is this your pencil-box?
请问，这是你的铅笔盒吗？