ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell
双语例句
The seals feed mainly on fish and squid. 海豹主要以鱼和乌贼为食。
The fish's color-changing power is generated by pigmented, light-reflecting cells that synchronize to create desired patterns. 乌贼的变色能力归功于体内的色素细胞和反光细胞,它们能够帮助乌贼形成所希望的颜色。