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
They are not personal or private.
并不是私人的问题。
Are you going to America soon?
你就要去美国了吗？
as Walter Sullivan has put it in his excellent book, We Are not Alone.
正如沃尔特·沙利文在其杰作《我们并不孤独》中阐述的。