Once, biologists thought that ducklings followed the mother duck because of instincts.
曾经，生物学家认为小鸭子跟随母鸭是出于本能。
As the lock filled, the ducklings rejoined their mother to wait for another vessel to go through.
水闸里注满水时，小鸭子们回到它们的妈妈身旁等待另一艘船通过。
小鸭咻咻地叫着。
The ducklings have shed their yellow down.
小鸭褪了黄毛。
One day, the ducklings hatched out.
有一天，小鸭子孵出来了。
The ducklings plumped into the water.
小鸭子扑通扑通跳入水中。
The ducklings plumped into the water.
小鸭们突然跳进水中。
Nung-fu moves the ducklings to the cage.
农夫将小丫丫搬到笼子里。
Ducklings: Quack, quack, quack. Walk like us!
小们：呱，呱，呱。像我们一样走路！
Ducklings holding kite, chickens watching it.
小鸭拿着风筝，小鸡在看着它。
Lisa: No, they aren't. They're ducklings. They are playing with their mother.
丽萨：不，它们不是。它们是小鸭子。它们正和妈妈玩耍。
Yang Ming: I know their mother is a duck. A duck can swim. Can ducklings swim?
杨明：我知道它们的妈妈叫鸭子。鸭子会游泳。小鸭子会游泳吗？
Their mother stood waiting below, but the jump off the ledge was too far for the ducklings.
母鸭在地上等待着，但窗台太高了，小鸭们不敢跳下。
A dairy goat in Heifer's online gift catalog costs $120; a flock of chicks or ducklings costs just $20.
一头产奶的小山羊在小母牛组织的网上赠礼价格是120美元，而一群鸡鸭才20美元。
In the depths of a forest a duck was sitting in her nest. Her little ducklings were about to be hatched.
在森林的深处有一只母鸭子坐在她的巢中，她的小鸭子们即将孵出来。 岰。
Mother Duck took her ducklings to the water. One after another, the little ducklings jumped in the water.
鸭妈妈带着她的孩子们来带池塘边，小鸭子一只接一只地跳进了水里。
Postal workers heard the ducklings and got permission to open the box to get the babies some food and water.
邮递人员听见了小鸭子的叫声，并被允许打开箱子喂这些幼雏食物和水。
I noticed the natives:a marsh deer, a Muscovy duck and ducklings, a pair of hyacinth macaws crossing the sky.
我发现了一些本地的动物：一只鹿， 一只鸭后面一群小鸭，一对鹦鹉飞过天际。
Methods: An acute hepatic failure model was established in ducklings infected DHBV with lipopolysaccharides (LPS).
方法：用脂多糖(LPS)诱发DHBV感染雏鸭急性肝坏死，建立实验模型。
Ducklings virus hepatitis (DVH) Propolis inactivated vaccine was applied for immunizing l-day-old ducklings, and 0.
应用自行研制的雏鸭病毒性肝炎(dvh)蜂胶灭活苗，以0。
Clover made a sort of wall round them with her great foreleg, and the ducklings nestled down inside it and promptly fell asleep.
克洛弗用她粗壮的前腿为小鸭子围成像堵墙一样的圈子，小鸭子舒服地趴在里面，很快就睡着了。
The royal ducklings fell in behind them as they made their way across the yard, marching to the music of the bells on the fool's hat.
那群王家小鸭，在他们后面排着队，在弄臣帽子上的铃铛声中穿过庭院。
Among them, DHV-1 is the most virulent, since the mortality rate can reach high up to 80% once ducklings infected within 3 weeks old.
三种鸭肝炎病毒以DHV - 1病原性最强，当3周龄以内之小鸭感染DHV - 1病毒时，其致死率高达80%以上。
Here and there stray groups of students struggled single file against the weather, like ducklings following their mother across a road.
校园里，到处是迷了路的学生，他们排成一队与恶劣的天气抗争着，就像躲在妈妈身后的小鸭子横过马路一样。
The study was conducted to examine the effect of high level dietary copper on blood parameters in ducklings by the methods of hemopathology.
试验对日粮中添加高水平铜对雏鸭血液指标的影响进行了研究。
The study was conducted to examine the effect of high level dietary copper on blood parameters in ducklings by the methods of hemopathology.
试验对日粮中添加高水平铜对雏鸭血液指标的影响进行了研究。
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