Bullae are rounded or irregularly shaped blisters containing serous or seropurulent fluid.They differ from vesicles only in size, being larger than 1 cm.
大
为圆形或不规则形
大
,含浆液性浆液脓性液体,大于1cm,与

是大小
别。
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Homeland Security Secretary Alejandro Mayorkas: " We are making it very clear that our border is not open, that crossing irregularly is against the law and that those who are not eligible for relief will be quickly returned."
国土安全部部长亚历杭德罗·马约卡斯:“我们非常明确
表示了,边境并不会开放,非法越境是违法的,那些没有资格获得救济的人将很快被遣返。”
It also relayed China's first high-definition images of the red planet's natural satellite Phobos, which is a small, irregularly shaped object with a mean radius of 11 km that orbits 6,000 km from the Martian surface in a near circular trajectory.
它还转播了中国第一张红色星球天然卫星火卫一的高清图像,火卫一是一个形状不规则的小物体,平均半
11
里,以接近圆形的轨迹绕火星表面 6000
里运行。