各种动物叫的英文

　　The time has come for action if these beautiful animals are to survive.

　　若要使这些美丽的动物能生存下去，现在就要行动起来。

　　Humans are the only animals to have developed speech.

　　人是唯一发展出语言的动物。

　　These animals only come out at night.

　　这些动物只在夜晚出来。

　　Some animals roll themselves into a ball for protection.

　　有些动物蜷缩成一团以保护自己。