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
Yes. It's the anniversary of one of our important revolutionary movements.
是的。它是中国一个重大革命运动的纪念日。
Would you help me remove the refrigerator?
能帮忙移一下冰箱吗？
The strike is due to begin on Tuesday.
罢工定于星期二开始，