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
I don't know how to drive I'm afraid.
恐怕我不懂得怎样开车。
He who pleased everybody died before he was born.
众口难调。
No, there isn't. The nearest is about 4 kilometres away. You'd better catch a bus.
不，附近没有。最近的离这大约4公里。你最好乘公共汽车去。