"The firing starts when sensitive trigger hairs located on the (trap) door are touched," he said.
“当陷阱阀门上的感应毛被碰时，就触发了诱捕行为”，他说：“由于内部受压，门已经处于内向状态。”
These hairs activate7) the trap to snap shut.
这些短毛会触发陷阱猛然关闭。
Polar bear hair is hollow to trap air for insulation while the sea otter has the densest fur with 125,000 hairs per cm2.
北极熊的毛发是中空的，用以困住绝缘空气层；海獭的毛皮稠密到每平方公分十二万根。
Polar bear hair is hollow to trap air for insulation while the sea otter has the densest fur with 125,000 hairs per cm2.
北极熊的毛发是中空的，用以困住绝缘空气层；海獭的毛皮稠密到每平方公分十二万根。
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