体积重的英文：
gravity of volume

gravity是什么意思：
n. 万有引力，地心引力，重力；严肃

an orienting response to gravity.
对地心引力的一种定向反应。

residual gravity anomaly
剩余重力异常

This is an orienting response to gravity.
这是对地心引力的一种定向反应。

A hydrometer for measuring the specific gravity of urine.
尿比重计衡量尿的比重的液体比重计

The incident woke them to the gravity of the situation.
那个事件使他们意识到事态严重。

volume是什么意思：
n. 卷，册；体积；大量；音量
adj. 大量的
v. 收集成卷；成团喷出

The volume of trade has receded.
贸易额已减少。

The purpose of this volume is to exhibit the cell.
本书的目的是阐明细胞。

What's the volume of this cylinder?
这个圆筒的体积有多少？

The companion volume will soon be published.
这卷书的姊妹篇即将问世。

The volume was handsomely bound.
这本书装订得很精美。