Diffusion donstant
[化] 扩散常数
🧩 词语组成解析
🗣️ 情景例句
having to take care of the baby all weekend.
整个周末照顾孩子。
Poverty is the root of all evils.
穷困是万恶之源。
They will be trying to keep order.
他们将设法维持秩序。