Only female mosquitoes drink blood.

只有雌蚊吸食血液。

youdao

It is a little-known fact that only female mosquitoes bite.

但是很少有人知道，其实只有母蚊子才咬人。

youdao

A woman likes to believe she is the only female in your life, even if it is just for one two hour date.

一个女人喜欢去相信她是你生命中的唯一一个女性，即使这种感觉只是在你们的一两次约会中。

youdao

And it has promised the Food and Drug Administration that it would only market female salmon unable to reproduce.

VOA: special.2010.10.05

"I think the one story that inspired this book was meeting a wonderful man called Don Mertin in New Zealand and he explaining to me how he had saved a species of bird called a Black Robin when there were just seven individuals left in the world of which only two were female and only one of whom was fertile."

VOA: special.2009.11.18

She took office in 1979, becoming the U.K.'s first and only female prime minister.

WSJ: Thatcher Was a Skeptic on Centralized Europe

Health Minister Deputy Anne Pryke is the only female politician to hold a ministerial position.

BBC: Deputy Montfort Tadier

Zurer said she had a blast being the only female lead in the film.

CNN: 'Angels & Demons' actors: What controversy?