Koala is an arboreal Australian marsupial.考拉是一种澳大利亚树栖有袋动物。Kangaroos and koala bears give birth to very small and weak young.袋鼠和考拉熊产非常幼小虚弱的幼子.Koala and humans are the only animals with unique fingerprints.世界上只有考拉和人类有独特的指纹...
To keep ecology in balance is our duty.保持生态平衡是我们的职责.Development has been guided by a concern for the ecology of the area.该地区的发展以注重生态为指导原则。We are reproducing ourselves at such a rate that our numbers threaten the ecology ...
这份协议是6月份草签的。The agreement was initialled in June.这位演员已与电影制片厂草签了(受雇)合约.The actor has signed with a film studio.协定已在北京 草签.The agreement has been initial ( l ) ed in Beijing....