She was advised to have an abdominal X-ray.她被建议拍一张腹部的X光片。The abdominal aorta is normally smaller than the thoracic aorta.腹主动脉一般比胸主动脉小.Abdominal tissues sometimes adhere after an operation.手术之后腹部有时会出现粘连....
The slow-worm is in fact not a snake but a legless lizard.蛇蜥其实不是蛇，而是无脚的蜥蜴。It took me weeks to worm the facts out of him.我花了几个星期才从他那儿套出事情的真相。I worm all my birds in early spring.早春的时候我给我所有的鸟打虫。...
Lewis will compete in both sprints in Stuttgart.刘易斯将参加在斯图加特举行的两个短跑项目的比赛。The outdoor sprints consist of the 100 - meter, 200 - meter, and 400 - meter events.室外的短跑运动包括100米 、 200米 、 400米.Makes the error analysis is sprints ...
这些囊胚细胞, 称卵裂球, 每个细胞都有一套二倍体染色体组.The cells of the blastula , called blastomeres, also each receive a full diploid set of chromosomes.桑椹胚形成于''.'囊'.''胚之前且处于胚胎''.'期'. '�...