结论: 在有产前诊断为指征的孕妇, 胎儿染色体异率为6.4%,染色体异常携带者和各种三体为主要的异常,是高龄以及IUGR最常见的异常. Conclusion: During the second and third trimesters, the rate of Chr - abn was 6.4 %.
一卷卫生纸a roll of toilet paper哦, 我还得买些卫生纸和纸餐巾.Oh, I must get some toilet paper and some paper napkins.将花药筛到无光的 、 具渗透性的纸上, 如报纸或卫生纸, 以便花药干燥.Sift the anthers onto unglazed, permeable paper, such as newspaper or paper toweling,...
Investment could dry up and that could cause the economy to falter.投资可能会中断，而这会引起经济衰退。His voice began to falter.他的声音开始发颤.There was a falter in his voice.他的言语支吾....
On the beach giant kelp had washed ashore.沙滩上有随浪冲上来的大海藻.The soil washed from the hills is silting up the hydroelectric dams.从山上冲刷下来的泥土就要让水电大坝淤塞了。The collar comes off this shirt and can be washed separately.这件衬衫的领子可以拿下来分别...