gill slit

同根派生

A malenti's gill slits were relatively small.
玛林提鳃的开口相对小一些。
With its enormous mouth and gill slits wide open, it can sieve through thousands of gallons of seawater every hour.
它那巨大的嘴和腮裂大大地一张，每小时可以吸进数千加仑的海水。
Him, Shemsen the Drifter, telling jokes! His gill slits fluttered in disbelief. Against all odds, he'd come to think of crippled Eshono as a friend.
他,漂流者舍姆森,居然讲了笑话!他的鳃打开来,不相信似的扇动着。不管怎么样,他已经把身有残疾的艾绍诺当做朋友了。
Any of numerous animals belonging to the phylum Chordata, having at some stage of development a dorsal nerve cord, a notochord, and gill slits and including all vertebrates and certain marine animals, such as the lancelets.
脊索动物包括所有的脊椎动物以及如文昌鱼之类的海洋动物的脊索动物门的大量动物中的任一个，在某些生长阶段有背部神经索、背索及鳃裂
The man slit his former sweetheart up.
那人故意伤了他昔日的情人。