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
This is the last chance you can get up to 60 percent discount.
这是您可以得到6折的最后机会。
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
She kept it tied to a tree in a field during the day and went to fetch it every evening.
白天，玛丽把羔羊拴在地里的一颗树上，每天晚上把它牵回家。