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 you can't make the payments.
如果你们不能还钱
Will this flight leave on time?
这班机准时起飞吗？
I went on walking, bending down because the roof of the cave was not very high.
因为洞顶不是很高，我继续弯着腰往前走。