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
That's always nice to hear, Mr. Marchetta.
听到这事总是好的， Marchetta先生。
I don't care what you say.
我不在乎别人怎么说。
Look at the rain! It's heavy, isn't it?
瞧这雨！下这么大，是吧？