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
I ate eggs and drank mild for breakfast today.
我今天早餐吃了鸡蛋和喝了牛奶。
He warms too near that burns.
取暖太近火，会被火灼伤。
How long has Jim been at his school?
吉姆到校有多长时间了？