Collisional diffusion
[电] 碰撞扩散
🧩 词语组成解析
a. 碰撞引起的
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
Beauty is but skin deep.
美丽只是皮相（指：不能以貌取人）。
That will be no problem.
没问题的。