Heteric-block nonionics
[化] 混嵌非离子表面活性剂; 混嵌共聚非离子表面活性剂
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
(=non-ionic surface active agent)非离子表面活性剂
🗣️ 情景例句
I understand you used to be in the construction business,
听说你过去从事建筑业
Do you have change for a twenty-dollar bill?
你付了一张20美元帐单了吗？
'What has happened?' she asked.
“发生了什么事？”她问，