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
With a piece of meat on a string!
用一根绳子拴着一点肉
If the sky fll (or falls), we shall catch larks.
异想天开
She has been helping her husband for thirty years now.
她已经帮了她的丈夫30年了。