Cistactic polymer
[化] 顺式有规聚合物
🧩 词语组成解析
🗣️ 情景例句
I am having a good time, Harry.
我玩得很高兴， Harry。
Can I take your order?
您要点菜吗？
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。