While it has lost its tranquility, the area has gained in liveliness.虽然该地区失去了往日的宁静，但是却有了生气。Amy could sense his liveliness even from where she stood.埃米从她所站的位置都能感到他活力逼人。The meeting was then at its liveliness.会议那时正开得很活跃....
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...