Bifunctional catalyst
[化] 双官能催化剂; 双功能催化剂
🧩 词语组成解析
a. 具有两种(截然)不同功能的
🗣️ 情景例句
To apologize for leaving so early,I brought you a little gift.
为了表示我对提早走掉的歉意，我给你带了一件小礼物。
What were you doing at about 4 o'clock yesterday afternoon?
你昨天下午在大约4点钟正在做什么？
'I'm trying to repair the bell,' answered Bill.
“我想把这口钟修好，”比尔回答说。