The present situation of study on the evil cult expresses four feathers of the following: 1. a widely participation has become a trend;
目前的研究现状呈现出以下四个特点：1。形成了广泛参与的态势；
Xu calls it a "four-winged" dinosaur because it had long, pennaceous feathers on its arms and legs.
因为其前后肢上都存在着较长的羽翮，因此徐星将它称之为“四翼”恐龙。
Since his election four years ago, he has repeatedly ruffled feathers.
自四年前推选上任之后，他就没完没了地惹是生非。
In the newest PNAS study, scientists examined a remarkable fossil specimen that had feathers on all four limbs, somewhat resembling a bi-plane.
在这项最新的发表在PNAS上的研究中，科学家仔细考察了一块奇特的化石标本“小盗龙”（mircoraptor），这块化石上的四肢全部都有羽毛，有点类似两栖飞机（bi-plane）。
It had four long tail feathers but there is little evidence that it could fly.
它有4条长尾羽但仍然几乎没有证据证明它会飞。
The oiled birds are washed in warm water and detergent, then dried and allowed to rest for four to seven days until their feathers are waterproof again.
工作人员用和温水和清洁剂为这些鸟清洗，然后擦干，并让它们休息四于七天，等到它们的羽毛恢复防水功能。
The oiled birds are washed in warm water and detergent, then dried and allowed to rest for four to seven days until their feathers are waterproof again.
工作人员用和温水和清洁剂为这些鸟清洗，然后擦干，并让它们休息四于七天，等到它们的羽毛恢复防水功能。
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