The great white shark has to keep moving or it dies. Its breathing system relies on a constant churn of new water in order to keep the oxygen flowing.
游弋的大白鯊必須保持運(yùn)動(dòng)狀態(tài)，否則它就會(huì)死亡。它的呼吸系統(tǒng)依賴于新鮮水分的持續(xù)流動(dòng)，以確保不斷獲得氧。
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