时间:2019-03-06 作者:英语课 分类:英语时差8,16


英语课

Although snails 1 can and do successfully mate without stabbing each other, studies have shown that darted 2 snails store one-hundred-sixteen percent more sperm 3 than undarted snails.








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1
snails
23436a8a3f6bf9f3c4a9f6db000bb173
  
 


n.蜗牛;迟钝的人;蜗牛( snail的名词复数 )


参考例句:





I think I'll try the snails for lunch—I'm feeling adventurous today. 我想我午餐要尝一下蜗牛——我今天很想冒险。 来自《简明英汉词典》
Most snails have shells on their backs. 大多数蜗牛背上有壳。 来自《简明英汉词典》












2
darted
d83f9716cd75da6af48046d29f4dd248
  
 


v.投掷,投射( dart的过去式和过去分词 );向前冲,飞奔


参考例句:





The lizard darted out its tongue at the insect. 蜥蜴伸出舌头去吃小昆虫。 来自《简明英汉词典》
The old man was displeased and darted an angry look at me. 老人不高兴了,瞪了我一眼。 来自《简明英汉词典》












3
sperm
jFOzO
  
 


n.精子,精液


参考例句:





Only one sperm fertilises an egg.只有一个精子使卵子受精。
In human reproduction,one female egg is usually fertilized by one sperm.在人体生殖过程中,一个精子使一个卵子受精。














n.蜗牛;迟钝的人;蜗牛( snail的名词复数 )
  • I think I'll try the snails for lunch—I'm feeling adventurous today. 我想我午餐要尝一下蜗牛——我今天很想冒险。 来自《简明英汉词典》
  • Most snails have shells on their backs. 大多数蜗牛背上有壳。 来自《简明英汉词典》
v.投掷,投射( dart的过去式和过去分词 );向前冲,飞奔
  • The lizard darted out its tongue at the insect. 蜥蜴伸出舌头去吃小昆虫。 来自《简明英汉词典》
  • The old man was displeased and darted an angry look at me. 老人不高兴了,瞪了我一眼。 来自《简明英汉词典》
n.精子,精液
  • Only one sperm fertilises an egg.只有一个精子使卵子受精。
  • In human reproduction,one female egg is usually fertilized by one sperm.在人体生殖过程中,一个精子使一个卵子受精。
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burying-ground
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conveying machinery
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