Stereoblock polymer
[化] 立构规正嵌段聚合物; 立体构形规正嵌段聚合物
🧩 词语组成解析
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
It was so beautiful it took my breath away.
它美得使我目瞪口呆。
Is this a book?
这是一本书吗？