Guinea's National Agency for Health Security activated 38 district-level emergency operations centers, as well as a national one.

几内亚国家卫生安全局启动了 38 个区级应急行动中心，以及一个国家应急行动中心。

When you can't find a toilet and want to hold urine in, you activate the pontine storage center and that stops the micturition reflex.

当你找不到厕所，需要憋尿的时候，你的贮尿中枢将会兴奋，抑制排尿反射。

But that rush of sweetness also appears to activate the same reward centers in the brain as drugs, Wenk explained.

但 Wenk 解释说， 这种甜蜜的冲动似乎也激活了大脑中与药物相同的奖励中心。