The first and most stubborn problem was that of reductions in the number of aircraft.最首要也是最棘手的问题是飞机数量的减少。In some cases a problem child is placed in a special school...有时，问题儿童被放在特殊的学校。...a technical problem reported by th...
羊膜穿刺术是从羊膜囊抽取羊水的技术.Amniocentesis is the removal of fluid from the amniotic sac.目的探讨羊膜腔穿刺术超声定位的有关问题.Objective To investigate some questions about ultrasound localization of amniocentesis.羊膜穿刺术是出生前检测非整倍体的金标准.Amniocentesis i...
Other people had the gift of peopling their lives with friends and colleagues.其他人善于在生活中结识许多朋友和同事。A becoming - animal always involves a pack, a band , a population , a peopling , in short , a multiplicity.生成动物总是牵涉到一群 、 一夥...