Quartzose sand
[机] 多石英砂
🧩 词语组成解析
a. 石英的, 主要[全部]为石英构成的
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
John, what are you going to do?
约翰，你要干嘛？
Stamp-collecting is a popular hobby.
集邮是一种普遍的业余爱好。
Some old people are oppressed by the fear of death.
有些老年人因为怕死而感到烦恼。