Each female will lay just one egg in April or May.

每只雌性在4月或5月份将只产一颗卵。

《柯林斯英汉双解大词典》

Dinner tomatoes a, ripe one egg, orange one.

晚餐番茄一个、熟蛋一个、鲜橙一个。

youdao

The female penguin lays one egg right on top of the ice.

母企鹅把一颗蛋直接产在冰上。

youdao

There's only one source for that, there's only one source of that fertilized egg.

它的来源只有一个,受精卵的来源是唯一的

耶鲁公开课 - 生物医学工程探索课程节选

The cell is a fertilized egg, so you take a fertilized egg and you directly inject plasma DNA into the pronucleus, into one of the pronucleus--pronuclei.

供试细胞是受精卵,当你获得一枚受精卵,可以直接将胞质DNA注射到,它的一个原核中

耶鲁公开课 - 生物医学工程探索课程节选

One egg has around 70 calories and is packed with five or six grams of protein.

FORBES: 10 Healthy Snacks To Eat At Your Desk

It was much easier for scientists to develop as women normally only produce one egg per cycle.

BBC: '100% success' for male pill trial

If she put all those resources into one egg, something might go wrong with it before it hatched.

ECONOMIST: Ecology: Sisterhood is hungry | The