On this same tack, you could take the barometer to the top of the building, attach a long rope to it, lower it to just above the street, and then swing it as a pendulum.

根据同样方法，将气压计带到屋顶，拴上一个长绳，直垂地面，像钟摆一样摆动。

youdao

On this same tack, you could take the barometer to the top of the building, attach a long rope to it, lower it to just above the street, and then swing it as a pendulum.

根据同样方法，将气压计带到屋顶，拴上一个长绳，直垂地面，像钟摆一样摆动。

youdao