R-fvalue
[化] R-f值; 比移值
🗣️ 情景例句
It's the way it should be.
本该如此。
Nothing crave, nothing have.
有求才有应。
tap water that is too hot to touch can be left to cool and is generally safe to drink.
水管中流出的烫手的水可以留下来冷却。这种水一般是安全的。