One wonders also why Nature, with some snakes concocted poison of such extreme potency.

人们弄不清楚大自然为什么在某些蛇的身上调制出如此高效的毒液来。

But industrial alcohols like methanol is(are) sometimes used to increase the potency of the drink.

但是有时会添加甲醇等工业酒精以增加饮品的效力。

I thought that really showed there's this perceived potency that she has, but also vulnerability.

我认为这确实显示了她所拥有的这种感知能力，但也有脆弱性。

Users must chew great wodges of the leaf, which loses its potency just a few days after being picked.

使用者必须咀嚼大量的在采摘数天后会失去效力的叶片。

For example, the heart medicine nitroglycerine becomes unstable at high heat and is known to lose its potency fast.

例如，心脏病药物硝化甘油在高温下不稳定，且它的效力会迅速丧失。

My own tests had determined a peak potency time for espresso of 11 hours after roasting.

我自己的测试确定了浓缩咖啡在烘焙后 11 小时的最高效力时间。

Industrial agriculture with engineered high yield plants, efficient machinery and high potency fertilizer feeds billions of people.

工业化的农业，设计出来的高产作物，高效率的机械以及强效的肥料使我们能够养活数十亿人。

As the structural nature of public health problems becomes harder to ignore, the complaint about overprotective government loses potency.

随着公共卫生问题的结构性质变得难以忽视，关于政府过度保护的抱怨也失去了效力。

After a season, they get tough and start to lose their potency.

一个季节后， 它们会变硬并开始失去效力.

Yet have I ever since wondered, and still do wonder, at the potency which lay in that maiden's magic touch.

从那以后，我确实想知道，甚至今天，似乎更想弄明白，那姑娘轻抚的手里究竟存在什么样的神奇魔力。