Bond refractivity
[机] 键的折射性
🧩 词语组成解析
折射本领, 折射率, 折射性
🗣️ 情景例句
That's what it is.
的确是如此。
How many cups are you going to order?
你要订几杯？
You always know the right thing to say.
你说话得体。