Replenishment quartz sand
[機] 重整石英砂
?? 詞語組成解析
n. 補給, 補充
quartz
[kw?rts]
n. [礦]石英;
sand
[s?nd]
n. 沙;沙灘;沙色;
vt. 撒沙于;用砂紙磨光;
??? 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美國一般大，但人口卻只有一千六百五十萬。
I wasn't serious, I meant it as a joke.
我并非有意，我只是開個玩笑而已。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉磯的一個特設的游泳池里，孩子們甚至在還沒有學會走路時就已經能熟練地在水下屏住呼吸了。