妊娠的头三个月the first trimester of pregnancy前次妊娠的黄体很快开始退化.The corpus luteum of the previous pregnancy regresses very rapidly.妊娠的能量利用,受妊娠期合成代谢的生物学适应性所支配.The energy economy of pregnancy is dominated by the biological adaptation...
比蒂在被伊藤赶超之前，曾有几圈一直处于领先。Beattie led for several laps before he was overhauled by Itoh.他在转角处遇到芭比蒂, 并把她抓起来, 然后又把她放下.He met Babbitty round a corner, and snapped her up, and put her down again....
Mr Powell-Taylor says that depopulation exacerbates the problem...鲍威尔-泰勒先生说人口的急剧减少使得该问题更加严重。Stripping the land in these ways allows faster surface runoff and exacerbates flooding.这些做法终将使土地裸露、地表径流加快,从而加重了洪水的威胁.Mr Powell-T...