Concentration difference
[建] 浓度差
🧩 词语组成解析
🗣️ 情景例句
So how has life changed since you left the army?
你离开军队后，生活过得如何？
A wicked book is the wickeder because it cannot repent.
一本坏书危害无穷。
The wall behind looks a bit grey and dull. What can we do to make it look less ugly?
后面那堵墙看起来有点暗。我们能不能让它漂亮点？