🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
n. 马鞭草
🗣️ 情景例句
They know that I'm married and that I have a family.
他们知道我结婚了， 有一个家。
I'll be late, mom. I have to work.
妈，我要迟到了。我有工作了。
He informed the station at once, but no one there was able to explain the mystery.
他马上把情况报告了该基地，但那里的人没有一个能解释这到底是怎么回事。