Cement sand
[机] 水泥模砂
🧩 词语组成解析
cement
[si'ment]
n. 水泥;胶合剂;胶接剂;粘固粉;
vt. 粘牢;巩固;（用水泥、胶等）粘结;在…上抹水泥;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
You know everyone, Alexandra.
你认识每一位吧 Alexandra。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
He saved money for years and in 1958 he bought a small workshop of his own.
他靠多年积蓄，于1958年买下了自己的一个小铺子。