If parent birds use begging intensity to direct food to healthy offspring capable of vigorous begging, then parents should make food delivery decisions on the basis of their offsprings' calls.

如果雏鸟双亲是根据雏鸟乞食的叫声响亮程度来把食物分给叫声响亮的健康雏鸟的话，那么鸟类双亲就是根据雏鸟乞食声音来决定如何分配食物的。

youdao

About 60% of brain aging is within our control, she says, by maintaining vigorous exercise routines, a healthy diet, social engagement and stimulating activities or environments.

她说，约60%的大脑老化都是可以控制的，方法包括经常锻炼、健康饮食、与他人交往、加入激人奋进的活动或环境等。

youdao

The browser market is vigorous and healthy right now.

何况，如今的浏览器市场是积极的，健康的。

youdao

Vigorous debate is healthy.

WHITEHOUSE: The White House

Well, this administration's objective will be a healthy, vigorous, growing economy that provides equal opportunity for all Americans, with no barriers born of bigotry or discrimination.

CNN: Inaugural Address

According to the Physical Activity Guidelines for Americans, children and adolescents need at least 60 minutes of moderate to vigorous physical activity each day to stay healthy.

WHITEHOUSE: The White House