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
Take care, and have a nice flight.
请保重！祝你一路顺风！
You had it coming!
活该！
It's rude to stare at other people.
盯着别人看是不礼貌的。