Polymer catalyst
[化] 高分子催化剂
🧩 词语组成解析
🗣️ 情景例句
How much extra do I have to pay for that?
我还要另外付多少？
Let me guess.
让我猜一猜。
It was only possible for the Ombudsman to find this out by sending one of his representatives to check the facts.
司法特派员只有派他的代表去核对事实才能了解真相。