Hand-block
un. 手动滑车；手动起重机滑轮组\\n
🧩 词语组成解析
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
we would like to have our investments returned as early and safely as possible.
我们总想尽早而又安全地收回我们的投资。
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。
She stamped out the letters 'SOS' in the snow.
她在雪地上踩出了“SOS”这3个字母。