Apart from a powerful capacity to draw attention to their helplessness by using sound, there is nothing the newborn child can do to ensure his own survival.
Apart from a powerful capacity/ to draw attention to their helplessness /by using sound, /there is nothing/ the newborn child can do/ to ensure his own survival.
「強力な能力は別にして、彼らの無力さに注意を引くための、音を使う事によって、
何もない、新生児ができることは、彼らの生存を確実なものにするために。」
Since young animals are certainly in danger, sometimes for weeks or even months after birth, compared with the human infant, they quickly develop the capacity to protect themselves.
スラッシュは不定詞の前、カンマの後に入れます。
Since young animals are certainly in danger,/ sometimes for weeks or even months after birth,/ compared with the human infant,/ they quickly develop the capacity/ to protect themselves.