Restricted diffusion
[化] 限制扩散
🧩 词语组成解析
restricted
[ri'striktid]
adj. 有受限制的;（土地）对公众不完全开放的;保密的;
v. 限制( restrict的过去式);
🗣️ 情景例句
No, by train.
不， 坐火车。
Are you living in a dorm this term?
本学期你是住在学校宿舍吗？
He did not see the bag until it was too late.
等他看见袋子时已经太晚了。