Specific refraction
[化] 折射系数
🧩 词语组成解析
🗣️ 情景例句
Where are your manners?
你的规矩哪里去了？
They extended $2.5 million in loans to another country.
他们向另一国提供250万美元的贷款。
Let's go together then. I'll meet you at the theatre at six-thirty.
到时咱们一块儿去看吧。我六点半在剧院跟你会面。