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
You really have been working too hard.
你们确实太忙了。
I'll meet you tomorrow.
我们明天见面。
The contents were disappointing.
箱内东西令人失望。