1.The Parental Care Model hypothesizes that endothermy is arisen as a consequence of selection for parental care because endothermy enables a parent to control incubation temperature.
双亲行在鸟兽类中,内温性对双亲行选择的结果,因内温性双亲控制抚育温度提供了保证。
2.As to dynamic modality, it can always be hypothesized in a conditional protasis, is always subject to tense distinction, and does not shift its orientation under the influence of interrogation.