Studies have found that lack of sleep reduces a man's potency.

研究发现，缺乏睡眠会降低男子的性能力。

Science cannot prove that the panacea they sell has potency.

科学无法证明他们贩卖的万灵药有功效。

The potency of a man's personality is incomparable to any words.

人格的魅力是任何话语难以比拟的。

If you keep a medicine too long, it may lose its potency.

药物存放太久，可能会失去效力。

All their songs have a lingering potency.

他们所有的歌曲都有挥之不去的影响力。

Sunscreen can lose its potency if left over winter in the bathroom cabinet.

防晒霜在盥洗室柜子里放置一个冬天后会失去效力。

The Numbers indicate the potency of the ingredient used.

数字是用来表示所用成份的效力的。

Science says: Granny's overstating this fruit's potency.

科学说法：奶奶对这个水果的能力有点夸大。