One duck is the mother and two ducks are the babies.

一只是鸭妈妈，另外两只是鸭宝宝。

youdao

COLETTE: Oui, chef. One filet mignon, three lamb, two duck.

是，大厨，一份菲利牛排三份羊排，两份鸭。

youdao

The famous specialities of these two are roast suckling pig and roast Beijing duck.

这两种菜系的著名特色菜分别是烤乳猪和北京烤鸭。

youdao

Mr.Calderon's term in office ends in two years. Some analysts see him as a "lame duck" president with a keen interest in support from Washington.

VOA: standard.2010.05.17

The two duck-tour operators in Hot Springs have stopped operations for the moment, but the ducks that trundle round elsewhere will continue to do so as long as federal law allows.

ECONOMIST: Unsafe waters

Cracked his L1 vertebra and walked like a duck for two months.

FORBES: People and Things to Like--2005

Lara faced only two balls for his duck, Dravid never got going for his 14-ball four and Pietersen was unlucky to be given out lbw.

BBC: We had a big point to prove today