Sand expansion
[机] 铸砂膨胀
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
He has the advantage of a good education.
他有受过良好教育的优势。
Too much spoils, too little is nothing.
过多反坏事，太少不济时。
John is a Canadian. He lives in a tall building in the city of Toronto.
约翰是加拿大人。他住在多伦多市的一幢高楼里。