我知道你研究黑猩猩至今已有30年了。I know that you'vebeen studying chimpanzees for thirty years now.至今尚不清楚他究竟是饮弹自杀还是被谋杀。To this day, it's unclear whether he shot himself or was murdered.从3月至今，他已经卖出130万股了。Since March, he has unl...
the many isotopes of carbon碳的诸多同位素Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.The inferno spewed a deadly plume of radioactive isotopes into the atmosphere.这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层....
他掉转车头，去追他们。He spun his car round and went after them.她猛地掉转车头，往回开。Making a sharp U-turn, she headed back.车头灯扫过一张标志牌。The headlights raked across a painted sign....