Quartz flour
[机] 石英粉
🧩 词语组成解析
quartz
[kwɔrts]
n. [矿]石英;
flour
['flaʊɚ]
n. 面粉;
vt. 撒上粉;
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
I couldn't get through.
电话打不通。
'I told you yesterday and the day before yesterday,' he shouted,
“我昨天和前天都告诉过您了，”他大叫着，