Preparation of sand
[机] 铸砂处理
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
to interview applicants for admission.
与申请入学者面谈。
How much wool did you want to order?
你要订购多少羊毛？
An hour later.
一小时以后。