Diffusion donstant
[化] 扩散常数
🧩 词语组成解析
🗣️ 情景例句
You have to appreciate the work that has gone into this piece of art.
你不得不佩服他为完成这件作品所倾注的心血。
Goodbye. Thanks again for everything.
再见了，再次感谢你所做的一切。
It's four o'clock.
四点了。