This is nothing but the binomial expansion.这不过是二项展开式.The memory expansion cards are useful adjuncts to the computer.内存扩充卡是计算机很有用的附件。The vast expansion in secondary education is putting an enormous strain on the system.中等...
当这条加蓬湾毒蛇袭击时, 濒死的老鼠心脏会抽取毒液.As this Gaboon viper strikes, the dying rat's heart pumps venom around its body.一头河马在加蓬的海岸附近冲浪.A hippopotamus surfs the waves off the coast of Gabon.该项目会威胁加蓬的热带雨林.The project Gabon rain for...