- As the saliva dries it has to be replaced
唾液干了之后还得重新抹上 - and this is a real drain on the kangaroo's body fluids.
袋鼠真正排放出去的体液也就是这些 - Even in the shade the earth is baking hot
即使是在树荫下 土地照样被烤得火热 - so the kangaroos dig away the warmed topsoil
于是袋鼠刨去灼烫的表层沙土 - to get at the cooler ground beneath.
贴近下面较冷的地面 - By staying in the shade and licking to control their body temperature
通过呆在树荫下 并利用舔唾液的方法控制体温 - kangaroos manage to get through the hottest part of the day
袋鼠便能熬过一天中最热的时段
so the kangaroos dig away the warmed topsoil 于是袋鼠刨去灼烫的表层沙土
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