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
I'd better unpack.
我还是先把行李打开吧。
Reading and listening to music is the ultimate in relaxation.
一面读书，一面听音乐是最佳的休息。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，