It's a great time for physical exercise because we have high body temperature, the fastest reaction to an outside stimulus, and the greatest muscle strength and cardiorespiratory efficiency.

这时是运动的最佳时机，因在体温最高的状态下，我们对外在刺激反应最快，肌力最强，心肺功能也最棒。

youdao

It's a great time for physical exercise because we have high body temperature, the fastest __ 13 __ to an outside stimulus, and the greatest muscle strength and cardiorespiratory efficiency.

这时是运动的最佳时机，因在体温最高的状态下，我们对外在刺激反应最快，肌力最强，心肺功能也最棒。

youdao

Sneezing is a reflex, which means that it 's an uncontrollable physical response to an outside stimulus.

打喷嚏是一种反射，也就是说它是一种生理对外界环境的反应，不可控制。

youdao

Deprived of any outside sensory stimulus they were hyper-alert to the sight of young women from the outside.

BBC: Louis Theroux goes to the Miami mega-jail

Unlike rich countries, this argument goes, Latin America may gain more in the medium term by defending its hard-won fiscal stability and relying on the outside world for stimulus.

ECONOMIST: Latin America's economies