River sand
[机] 河砂
🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
Yes, I think it's important for me to be there
是的 ，我想我在场是非常重要的。
Peter began to hear about the interesting new play.
彼德开始听到新放映的电视剧很精彩。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？