Diffusion constant
[化] 扩散系数\\n[医] 扩散常数, 弥漫常数
🧩 词语组成解析
🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
Napolean himself was once a crying baby.
即使是拿破仑，过去也是啼哭的婴孩。
He is forever talking about the friendly people, the clean atmosphere, the closeness to nature and the gentle pace of living.
他滔滔不绝地大谈友好的农民，洁净的空气，贴近大自然的环境和悠闲的生活节奏。