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
Is everything OK?
一切都好吗？
I had never seen a grown man break down and cry.
我从未曾看到过一个这么强壮的汉子痛哭失声。
People said gold could easily be picked up by washing sand from the river in a pan of water.
据说，在一盆水里淘洗可沙就很容易找到金子。