碳化合物氧化后必然会产生二氧化碳。Carbon dioxide is a necessary result of the oxidation of carbon compounds.氧化胆固醇可能是造成动脉堵塞的元凶。Oxidized cholesterol may be responsible for furring up the arteries.碳、氢、氧化合形成碳水化合物和脂肪。Carbon, hydrogen and oxyg...
那是慈母般关爱与宽容的了不起的表现。It was an incredible display of motherly love and forgiveness.其他变化包括对非婚夫妇生育更为宽容的态度。Other changes include more tolerant attitudes to unmarried couples having children.她这个人才气逼人，可是绝对忠诚可靠，而且毫不做作，有人情味和宽容心。Sh...
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...