We are currently testing five subjects, two males and three females.

我们现在共对五个对象进行了实验，两名男性，三名女性。

youdao

Before, we wanted three females for every male. But because of the labor shortage, it's hard to get that ratio now.

之前，我们男女比例控制在1比3，但现在劳动力短缺，要维持这个比例是很难了。

youdao

Remains thought to belong to two males and three females were found next to stone tools and animal bones bearing cut marks, suggesting the species prepared meat for food.

这些遗骸化石被认为属于两名男性及三名女性，发现时旁边还有一些石器及有切割印迹的动物骨骼化石，这表明这些原始人当时在准备肉食。

youdao

She says infected females were three times less likely to have babies.

VOA: special.2009.09.08

Four males were arrested on suspicion of murder and three females and a male on suspicion of assisting an offender.

BBC: Hani Abou El Kheir

The consortium hopes to have the first set of adult models--three males and three females in small, medium and large sizes--by March 2011.

FORBES: Smart Dummies

The 64-year-old returned home to gather large quantities of jewellery and money before placing them in a red bag and meeting all three females at the corner of West Register Street.

BBC: Chinese Buddhist woman robbed in Edinburgh blessing fraud