The reaction is the force F'exerted by the block on the man.
其反作用力F’为物块对人施加的力。
The man put the iron block on the anvil.
那人把铁块放在铁砧上。
Ask a website, the man to know. The deleterious block of wood is divided.
求一个网站，男人都懂。有毒不给分。
The policeman saw a man halfway down the block running to catch a car.
警察看见半条街外有一个人跑步去赶汽车。
The man walked on the street in some block of the city.
男子走在城市一个区域的街道上。
The strongest man on the block will run the neighborhood.
但是这是已经发生的程度。
The strongest man on the block will run the neighborhood.
但是这是已经发生的程度。
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