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
Mom, give me a break.
妈， 让我喘口气。
Don't forget to phone to let us know you arrived safely.
不要忘记打电话，告诉我们你已经安全抵达。
Don't tie it to that old branch. I think it'll break. Tie it to the one on the right.
别把它绑在那根老树枝上。我想它会断的。把它绑在右边的树枝上。