These features permitted as much air flow and natural light as possible.

VOA: special.2009.08.21

They move from regions of high concentration to regions of low concentration by this natural flow down a concentration gradient.

从高浓度区域,向低浓度区域流动,顺浓度梯度流动

耶鲁公开课 - 生物医学工程探索课程节选

Locke believes in certain fundamental rights constrain what government can do, and he believes that those rights are natural rights, not rights that flow from law or from government.

洛克认为有些基本权利能限制政府的行为，并认为这些权利都是自然权利，不是由法律或政府赋予的。

耶鲁公开课 - 公正课程节选