Polymerization catalyst
[化] 聚合催化剂
🧩 词语组成解析
n. 聚合\\n[化] 叠合反应; 聚合; 聚合反应
🗣️ 情景例句
If negotiaton fails, then what?
万一谈判破裂，怎么办？
His thinking is behind the times.
他的想法赶不上时代。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。