They are already discovering how to colonise Venus and to irrigate the moon.他们正在探索如何殖民于金星,和如何灌溉月球.Still, we know surprisingly little about the smallest beings that colonise Earth.然而, 至今我们对这些拓殖地球的最小生物体的了解,竟然少之甚少....
儿童节那天所有的孩子都打扮得很漂亮.The children were all beautifully got up on Children's Day.卡卡,你知道什么时候是儿童节 吗 ?Do you know when Children's Day is, KaKa?在儿童节这天孩子们玩得很开心.On Children's Day little boys and girls have a wonderf...