Concentration diffusion
[化] 浓差扩散
🧩 词语组成解析
🗣️ 情景例句
He made a pretty fortune by selling all his land.
他卖了所有的土地发了大财。
I want to apologize.Is there anything I can do?
我要道歉。我能想点什么办法吗？
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。