Polymer powder
[医] 聚合物粉
🧩 词语组成解析
powder
['paʊdɚ]
n. 粉，粉末;粉状物质;
vt. 在…搽粉;
vi. 涂粉，变成粉末;
🗣️ 情景例句
You'd better be careful.
你要小心一点。
Cindy's sister is coming to stay with her a week from tomorrow.
辛迪的妹妹从明天起一个星期以后将过来和她住在一起。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。