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1. The scientist observed the creature's protuberances as it moved through the water.
科学家观察了这种生物在水里移动时露出的触须。
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2.The octopus had several long, thin tentacles that could reach out to grab prey.
章鱼有几条细长的触手，可以伸展出去捕捉猎物。
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3.The fish had a pair of large eyes and a long snout with several protuberances on the tip.
这条鱼有一对大眼睛和一条长鼻子，鼻子上有几个突出的触手。