She began to menstruate regularly at 13 at intervals of 28～32 days with slight dysmenorrheal.她于13岁开始有正常的月经,周期为28～32天,有轻度的月经痛.She began to menstruate regularly at 13 at intervals of 28~32 days with slight dysmenorrheal.她于...
She began to menstruate regularly at 13 at intervals of 28～32 days with slight dysmenorrheal.她于13岁开始有正常的月经,周期为28～32天,有轻度的月经痛.Lean hard-training women athletes may menstruate less frequently or not at all.身材瘦削而且训练艰苦的女运动员行...
The children were all named after saints.这些孩子都取了圣徒的名字。Once a tough defensive team, the Saints now have the most porous defence in the league.圣徒队一度防御能力很强，现在却成了联盟里防守漏洞最多的队伍。Men are not saints; how can they be free from fau...
These stacks of thylakoids are called grana.这些成堆的类囊体称为质体基粒.With the light microscope these stacks are just visible as grains ( grana ).可以用光学显微镜观察到这些堆积成颗粒状的物质 ( 质体基粒 ).The chloroplasts in the swamp reed were round - shape...
A suppressed immune system puts a transplant recipient at risk of other infections.接受器官移植的病人免疫系统受到抑制后很可能会感染其他疾病。Both electrons don't count for the donor and neither for the recipient.那两个电子既不算作给予体的,也不是接受体的.The donor&...
I worked stocking shelves in a grocery store.我在一家杂货店工作，负责为货架上货。He was employed at the local grocery store as a delivery boy.他受雇于当地杂货店当送货员.It is difficult for a small grocery store to compete with a supermarket.小商店很难与超市抗争...