很多生物体中雄配子与雌配子是不同的.In many organisms the male and female gametes are different.雄配子不能与雌配子结合.The male gamete could not unite with the female.花粉是种子植物的雄配子体, 在有性繁殖中发挥著重要作用.Pollen is the male - gamete of seed plant, which plays...
对于战地记者来说，躲避狙击手的子弹是家常便饭。For war reporters, dodging snipers' bullets is all in a day's work.有些人讽刺地说战地的薪饷很不错,人们可借这次战争赚到很多钱.Some say sardonically that combat pay is good and that one can do quite well out of this w...
He was rigid and unbending.他很固执，态度很坚决。The Minister was proving unbending on key issues.在关键问题上该部长决不通融.Despite their fearful losses Russian resistance remained tough and unbending.尽管俄国的损失惨重,他们的抵抗却仍然顽强不屈....