日期:
来源:雅诚德英语网
We are reproducing ourselves at such a rate that our numbers threaten the ecology of the planet.
我们繁衍得如此之快,以至于人口数量威胁到地球的生态系统。
We are reproducing ourselves at such a rate that our numbers threaten the ecology of the planet.
我们繁衍得如此之快,以至于人口数量威胁到地球的生态系统。