间隔器座，使钩和环件，在相互接触。
The spacer blocks bring the hook-and-loop pieces in contact with each other.
甲鱼拉动诱饵使钩尖瞬间内收，抓住甲鱼。
The turtle pulls the bait, and the hook point is instantly collected inward, thus the turtle is catched.
它们的腿有点弯曲，脚尖上有小钩，提供足够的摩擦力，使它们能在湿滑的环境中活动。
The legs, which are slightly curved with tiny hooks on the tips of their feet to provide enough friction to enable movement in a slippery environment.
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