Preparation of sand
[機] 鑄砂處理
?? 詞語組成解析
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
sand
[s?nd]
n. 沙;沙灘;沙色;
vt. 撒沙于;用砂紙磨光;
??? 情景例句
when Susan and Richard were babies?
當Richard和Susan還很小時？
Where are my glasses?
我的眼鏡在哪兒？
There was some confusion about our last shipment.
上一批貨把我們搞得迷迷糊糊。