1. 收起：在月经期间,曝露的血管不再像正常那样的具有收起(retracting)的能力. 并且,它也缺少基底层(basal zone),能重新长出躺在其上的子宫内膜. 一些子宫肿瘤是由平滑肌与脂肪组织(adipose tissue)所构成,如图所示.
2. 退滩：可伸缩纳护罩 retractable dome | 退滩 retracting | 解散号令;降旗号 retreat
1. A legitimacy check is a must these days if they want to avoid the embarrassment of being challenged and ending up retracting poorly conceived orders.
2. He added that hope of retracting the remainder of the sum was diminishing.