精子( sperm的名词复数 );
He looked at his urine, saliva and blood and watched sperms swimming for their lives.
他还观察了自己的尿液 、 唾液和血液,看着精子为了生存而游动.
Semen is a fluid which sperms swim.
牛奶是液体,蝌蚪游泳其中.
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