Concentration diffusion
[化] 浓差扩散
🧩 词语组成解析
🗣️ 情景例句
I hope you like your fish well done.
我希望你们喜欢吃熟透了的鱼。
Health is happiness.
健康就是幸福。
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。