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》

Spotted salamanders lay their eggs in pools in spring. And the egg capsules actually look green, thanks to the algae that surrounds the resident embryos.

斑点蝾螈于春天在池塘中产卵，并且胶囊状的卵呈绿色，这是因为藻类包围了这些胚胎。

youdao

Lay me an egg every day, and you can live with us.

每天要是为我下一颗蛋，你就可以跟我们一起住。

youdao

Just as a hen is about to lay an egg, she applies a liquid coating around it that naturally protects against contamination.

FORBES: Natural Protection

"We'll probably lay an egg here sometime, " the veteran coach cautioned.

WSJ: Spurs' streak ends in 119-109 loss to Pistons

It took Rovio 51 tries, and a brush with bankruptcy to lay its golden egg.

FORBES: Angry Birds Developer Partners With Medio As It Heads Into Billion Dollar Valuation Territory