它们长有一大片的皮瓣，在睡觉时可用作遮脸的罩子。

They have a large flap of skin that they use as a mask to cover their face when they sleep.

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瓣蹼鹬瓣蹼鹬科的一种小型涉水禽鸟，类似矶鹞，但长有适于游泳的足蹼。

Any of several small wading birds of the family Phalaropodidae, resembling sandpipers but having lobed toes that enable them to swim.

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结论股前外侧皮瓣具有切取面积大、部位隐蔽、不损伤主要血管、血管蒂长等优点，是修复四肢皮肤缺损较理想的方法。

Conclusions Anteriolateral thigh flap has advantages of massive area, covert, long vascular pedicle without main vascular damage, which is ideal for repair of extremity skin defect.

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And it turns out that when you constructively have two p orbitals interfere, and when I say constructively, I mean they're both either positive or they're both the negative lobes, that's when you got bonding.

当两个ｐ轨道,相长干涉时，我说的相干相长，意思就是说它们要么都是,正的叶瓣要么都是负的叶瓣，这时就能成键。

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