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
Keeping busy. Yourself?
一直很忙，你呢？
Could you tell me where is the elevator?
你能不能告诉我电梯在哪里？
When did they leave this area?
他们什么时候离开这里？