River sand
[機] 河砂
?? 詞語組成解析
river
['riv?]
n. 河，江;溪，巨流;
sand
[s?nd]
n. 沙;沙灘;沙色;
vt. 撒沙于;用砂紙磨光;
??? 情景例句
I only buy used books.
我只買舊書。
This small table is good.
這張小桌很不錯。
Some cakes, please.
吃幾塊蛋糕吧。