Sand pump
[化] 砂泵
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
I want to take a few days off just for relaxation.
我想请几天假放松放松。
Mr. Stone Jones of the United Nations.
来自联合国的世通.琼斯先生。
As long as all was still, the pen drew a straight line,
只要一切都是静止的，笔就会划出一条直线；