大约1/6的夫妻有受孕困难。About one in six couples has difficulty conceiving.她因不能自然怀孕而接受受孕治疗.She was unable to conceive a child naturally and was offered fertility treatment.妇女排卵期不正常就不易受孕.Women who do not ovulate regularly have diff...
Second , discusses the teachers'knowledge and ability competences of nine - year alignment curriculum.从九年一贯课程的内涵来分析教师应具备的能力.How to identify key competences from a job description?如何从职位描述中确定出职位所需要的能力?Rather than worr...
The testes are lobed organs.精巢为叶状器官.Old World vine with lobed evergreen leaves and black berrylike fruits.有分裂的常青叶子和黑色小而圆的果实的旧大陆藤蔓植物.Asiatic vine with three - lobed leaves and purple berries.小亚细亚藤本植物,三片叶,结紫色浆果....