守护幼崽的母狮a lioness guarding her cubs狮子的幼仔依靠母狮喂养.Lion cubs depend on their mother to feed them.阿根廷的布宜诺斯艾利斯动物园,一只母狮在笼子里“狮子大开口”.A lioness yawns inside her cage at Buenos Aires Zoo in Argentina....