if it gets starved of oxygen, that can produce a heart attack.如果处于缺氧状态 ，这时就会突发心脏病

starve of:(使)因缺乏而受困苦；渴望；(使)丧失

The plant was starved of light and died.

这株植物因为极度缺乏光照而死了。

The department has been starved of resources.

这个部门一直缺少资金。

Modern flour milling techniques removed the fibre from our staple foods.现代面粉制造技术将主食中的纤维质剔除

remove from:除掉, 迁移

It's difficult to remove these chemicalsfrom water.

要从水中清除这些化学物质是困难的。

Horizon was on hand to explain precisely what this was doing to our digestive systems.地平线栏目已精确剖析过此举对消化系统的影响

on hand: 现有

We have nobody on hand to repair your car.

我们现在没有人能修你的车。