Stepwise polymerization
[化] 逐步聚合; 逐步聚合反应
🧩 词语组成解析
a. 楼梯式的, 逐步的
n. 聚合\\n[化] 叠合反应; 聚合; 聚合反应
🗣️ 情景例句
Who is it?
是谁?
She is sick in bed.
她卧病在床。
I hid in a farmer's cart which was taking vegetables into the castle.
我藏在一个农民的车子里，车子正往城里送菜。