Valve grinding sand
[化] 磨阀砂
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
a. 刺耳的, 沉重的, 剧烈的\\n[化] 研磨; 磨碎
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
Your buildings are very large, aren't they?
你们的厂房很大，对吗？
I will happily admit that I am as nervous as a cat on a hot roof.
我承认现在我非常紧张，像热锅上的蚂蚁一样。
I'll also need a list of all your and her relations' addresses and telephone numbers.
我还需一张你与她的全部亲属的地址清单与电话号码。