Polymer catalyst
[化] 高分子催化剂
🧩 词语组成解析
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
No man loves his fetters be they made of gold.
即使脚镣黄金铸，无人爱上这刑具。
Those first words were to change my world.
我最先学会的这些单词改变了我的生活天地。