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
I've heard a great deal about you.
久仰大名。
How much is the interest a year?
每年利息多少？
I'm afraid I haven't got a larger dress.
恐怕没有更大的了。