| 1. | The breathing hole of a snail is just under its shell
蜗牛的呼吸孔就在它的壳下面。
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| 2. | Sauna lock , conduit lock & breathing hole series
Jms -斜口拉杆
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| 3. | A polar bear may sit for hours at a breathing hole , waiting for a seal to surface
一头北极熊会在呼吸口边坐上数个小时等待海豹出来换气。
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| 4. | Less reflective than ice , water absorbs more solar rays , speeding the thaw and channeling meltwater into seals ' breathing holes
比冰的反射率小，海水吸收了更多的阳光，加速了融化并使融化后的淡水注入这些通气孔。
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| 5. | They know that a seal swimming under the ice will keep a breathing hole open by its warm breath , so they will wait beside the hole and kill it
他们知道在冰面下面游泳的海豹呼吸的热气会使冰面上出现洞口，于是他们就在洞旁守侯并捕杀海豹。
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