cetaceans造句
2024年06月16日 15:09:41
Cetaceans reduce the number of breaths they take during rest periods.
鲸类动物在休息时减少它们的呼吸次数.
It is not clear whether
cetaceans undergo dream sleep.
鲸类动物是否经历梦睡眠还不清楚.
Missing until recently were fossils clearly intermediate, or transitional, between land
cetaceans.
近期发现的化石已经可以很清晰地帮助人们了解这个问题, 以及他们之间的过渡关系.