在开拓边疆的日子里，它充分表现出自己有能力监护自己，并确保了自己的生活。

During the frontier days it amply demonstrated its ability to monitor itself and ensure its survival.

youdao

在开拓边疆的日子里，它充分表现出自己有能力监护自己，并确保了自己的生活。

During the frontier days it amply demonstrated its ability to monitor itself and ensure its survival.

youdao