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
I miss Max and think about him all week long.
我想念Max， 一整个星期都在想他。
I have to hang up now.
我现在不得不挂电话了。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。