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.
你。
Confession is the first step to repentance.
悔罪先须认罪。
I think the shop is closed at this time of day.
我想商店在这个时间已经关门了。