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
Cash only, no checks.
只收现金，不收支票。
My brother is twice as tall as your sister.
我弟弟比你妹妹高一倍。
I had just lost $50 and I felt very upset.
我刚刚丢了50英镑，感到非常烦恼。