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
You're right. I'll change it.
你说得对，我会把它改一下。
You should take the advice of your teacher.
你应该听老师的话？
They gave me a FORM and told me to fill it out.
他们给我一张表让我填。