Retentivity
n. 保持力, 记忆力, 顽磁性\\n[化] 剩余磁化强度
🗣️ 情景例句
Why, I didn't know that your grandfather was born in Germany.
你看 我竟然不知道您的爷爷出生在德国。
Cheer up!
高兴起来!振作起来!
Yes, we have been interested in new system.
是的，我们对新系统很感兴趣。