Grain fineness number
[机] 砂粒细度指数
🧩 词语组成解析
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
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
When were you born?
你是什么时候出生的？
When I got to the theatre I found that they had sold all the tickets.
我到剧院时，发现所有的票都售完了。