setae
['si:ti:]
n.
刚毛(seta的复数);
刚毛，刺毛( seta的名词复数 );
例句:
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Bodies elongate-cylindrical and black overall; ventral surfaces may be covered with yellow setae.
来自BBC
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Dazha Crab is characterized by blue back, white abdomen, gold leg , and yellow setae.
该湖所产河蟹符合江南水乡青背 、 白肚 、 金爪 、 黄毛的大闸蟹形态特征.