Concentration diffusion
[化] 浓差扩散
🧩 词语组成解析
🗣️ 情景例句
No, but I've read enough about it.
不曾，不过我常常读到有关它的报导。
Shall we go to the cinema?
我们去看电影好吗？
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。