Refringency

折射系数

🗣️ 情景例句

Did you have a good time today?
今天玩得开心吗?
Perish the thought
打消念头
No, no drawings can be done until the wall is dry. That may take about a week.
不行。墙不干是不能在上面画画的。大概要一周才能干。
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🔤 更多 R 开头的单词

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