R-fvalue
[化] R-f值; 比移值
🗣️ 情景例句
The gap between the poor and the rich seems to be growing every day.
贫富悬殊好像与日俱增。
John is not forty-five yet,is he?
约翰不够45岁,是吗？
That's easier said than done!
说来容易做起来难哪！