By the twelfth day, however, when they are about 3 centimetre long, hundreds of tiny eggs form on the underbodies of the females.

然而，到了第12天，当它们长到3厘米长时，就会有成百上千微小的卵在雌蛙的身体下部形成。

youdao

On the twelfth day of Christmas.

在圣诞节的第十二天。

youdao

And on the twelfth day God created a spoon, brown in colour made of wood. Amen.

第十二日，上帝创造了汤匙，棕色，木质。阿门。

youdao

On the twelfth day of the Olympics the United States broke its medal record for competition outside America.

VOA: special.2010.02.26

Mister Swanson says his interest in Abraham Lincoln began the day he was born, February twelfth.

VOA: special.2009.10.12

The BLS sends a survey to all of 145, 000 employers the week that includes the twelfth day of each month.

FORBES: Why The U.S. Economy Isn't Growing While Stocks Soar

Soon after the Twelfth Day of Christmas, he'll be announcing the route of the next phases of the high speed route from Birmingham through the East Midlands to Leeds.

BBC: High speed rail: Patrick McLoughlin to reveal new routes