A mallard suddenly took wing, rising steeply into the air with an angry squawk.

一只野鸭突然展翅飞起，愤怒地尖鸣一声直冲天空。

A wild duck (Anas platyrhynchos) of which the male has a green head and neck. Most domestic ducks descend from the mallard.

一种野鸭（绿头鸭），其雄鸟具有绿色的头和颈。大部分驯化了的家鸭都是绿头鸭的后裔。

Here come the mallard couple.

野鸭夫妇过来了。

Mrs. Mallard said it was no good.

马拉太太都说不好。

There are many mallard ducks here.

这里有许多野鸭子。

Mrs. Mallard stepped out to cross the road.

马拉太太领着他们穿过马路。

Should I start taking photos, Doctor Mallard?

我该开始拍照了吗， 马拉德医生?。

They knew that Louise Mallard had a weak heart.

他们知道路易丝·马拉德的心脏很衰弱。

It's so funny that he walkes like a mallard duck.

很有趣的是他走起路来像个野鸭子一般。

The carcass quality of Linwu mallard was measured after slaughtering.

将临武鸭屠宰后测定产肉性能和肌肉品质。

Functional properties of proteins can be improved by mallard reaction.

糖基化反应可以改善蛋白质的某些功能特性。

Breed mallard of North America green head to having wide market perspective.

养殖北美绿头野鸭有着广阔的市场前景。

A mallard suddenly took wing, rising steeply into the air with an angry squawk .

一只绿头鸭突然飞起，愤怒地尖鸣一声直冲天空。

Repeating this 6 to 9 times continuously will imitate a mallard hen hail calling.

连续不断地重复6至9次就会模仿一只母野鸭发出欢快的叫声。

The researchers lined up groups of mallard ducks and videotaped them while they slept.

研究员将一组野鸭围在一起，然后在它们人睡的时候进行录像。

Amazing thing is: There is no Green Lake mallard white stork, even the birds are rare.

令人惊异的是：湖上没有青凫白鹳，连飞鸟也不多见。

"Don't you worry," said Mrs. Mallard. "I know all about bringing up children", and she did.

“不用担心！我知道怎么样带孩子。”马拉太太说，她也确实做到了。

On sunny days like now, I like playing badminton or feeding cute mallard babies in the park.

在象现在这样的晴朗的日子里，我喜欢打羽毛球或者是在公园里喂那些可爱的鸭宝宝。

The teal, a type of duck, is the likeliest to defy the hunter, with the mallard not far behind.

有一种鸭子——水鸭，飞行速度最快，敢跟猎人叫板最可能令其无功而返，野鸭的排名紧随其后。

It was Brently Mallard, who entered, looking dirty and tired, carrying a suitcase and an umbrella.

进来的是布伦特里·马拉德，他满面风尘，手提着一只旅行箱并拿着把雨伞。

The phylogenetic tree analysis indicated the broiler MTHFR was closely related to mallard and swan goose.

进化树分析表明，鸡MTHFR氨基酸序列与绿头鸭和鸿雁的关系较近。

It was Brently Mallard who entered, a little travel stained, composedly carrying his gripsack and umbrella.

进来的是布雷特利·马拉德，有点风尘仆仆的样子，从容地拎着手提包和雨伞。

It was Brently Mallard who entered, a little travel-stained, composedly carrying his gripsack and umbrella.

马兰德，虽略显旅途劳顿，但泰然自若地提着他的大旅行包和伞。

It was Brently Mallard who entered, a little travel-stained, composedly carrying his grip-sack and umbrella.

走进来的人是布雷特力。马兰德，有点儿风尘仆仆，从容地提着他的手提箱和雨伞。

They knew that Louise Mallard had a weak heart. So they broke the bad news gently. Her husband, Brently, was dead.

他们知道路易丝· 马拉德的心脏不太好，所以把坏消息告诉她时非常小心。