结果 泄殖腔发育过程中,胎龄15d前 的正常鼠胚, 尿直肠隔将 泄殖腔 分为腹侧的尿生殖窦和背侧的直肠两部分, 二者共同相通于泄殖腔管.Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually....
Parisians on the street often looked worried, hurried and unfriendly.巴黎街上的路人往往看上去忧心忡忡、匆匆忙忙而且不太友善。Pubs are dirty, smelly and unfriendly, according to the Good Pub Guide.据《好酒吧指南》所说，酒吧一般环境肮脏，气味难闻，而且气氛很不友好。Judy spoke in a lo...
The aid will not be disbursed until next year.援助款到明年才会下拨。In the 2000—2008 school year, $426.5 million was disbursed to 349085 students.2000至2008学年，共有349085名学生获发津贴，总额达4.265亿元。Lost persons problems multiply when families a...