ideal dielectric
基本释义
[电] 理想介质
实用场景例句
日常对话
Why did you get bruises all over your legs?
你腿上怎么全是瘀伤?
校园生活
He got a black eye after falling off his bike, a big bruise.
他摔倒后眼眶乌青,有一个大瘀伤。
社会场景
Accidents can leave bruises that take weeks to heal.
事故留下的瘀伤需要几周才能愈合。
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