A.f.s. grain fineness number
[机] A.F.S.粒度指数
🧩 词语组成解析
[机] 美国铸造学会
grain
[ɡren]
n. 谷物，粮食;（沙，金，盐等的）颗粒;谷粒，籽粒;（木材，大理石等的）纹理;
vt. 把…作成细粒;把…漆[画]成木纹;染透;刮去（皮上的）毛;
vi. 成谷粒;
fineness
[['fainnis]]
[计] 扫描\\n[经] 纯度, 成色
🗣️ 情景例句
and use their talents.
贡献他们的才能。
What flights do you have from New York to London tomorrow?
明天从纽约飞往伦敦的有哪几班机？
The Ombudsman immediately wrote to the Chief of Police in the district asking him to send a record of the case.
司法特派员立即写信给当地警察局长，请他寄送与此事有关的材料。