Powder grinding test
[化] 粉末研磨分析
🧩 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;
a. 刺耳的, 沉重的, 剧烈的\\n[化] 研磨; 磨碎
🗣️ 情景例句
I used to love to go to the Metropolitan Museum of Art.
我过去很喜欢去大都会美术馆。
I was this close!
就差那么一点。
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。