Selective polymer
[化] 选择聚合物
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
🗣️ 情景例句
so the old one will be ready
这个旧的又可准备
Fishing is often frustrating.
钓鱼常常会遭到挫败。
He believed that everyone should be prepared to do heavy work, from the leaders to the poorest peasants.
他认为从领袖到最穷苦的农民，每个人都该乐于从事重体力劳动。