底栖章鱼中的交接腕通常是第三个右臂。
The hectocotylus in benthic octopuses is usually the third right arm.
而在新制度下，新英格兰针对鳕鱼等底栖鱼类，以渔船分组的形式进行限额捕捞。
Under the new system, new England's groundfish catch, mainly cod and haddock, is divided among co-operative groups of boats called sectors.
趁着这个间隙，海豚会丢掉嘴中的海绵，浮出海面换气，接着马上潜入水里捕捉这些长度只有12 cm的底栖鱼。
That interlude gives the dolphin just enough time to drop its sponge, surface to get a breath, and dive again to snag the fish, most of which are about 12 centimeters in length.
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