The old man asked me to write a letter for him.那位老人要我替他写封信.There's no time for me to write a letter to him.我来不及写信给他了.We could write a letter to the headmaster.我们不妨给校长写封信....
伯罗奔尼撒战争以雅典同盟的毁灭而收尾 ( 亚历山大汉密尔顿 )The Peloponnesian war. terminated in the ruin of the Athenian commonwealth ( Alexander Hamilton )地区贸易同盟的数目在过去十年激增.Regional trade blocs have emerged in the past decade.与此同时,有关欧洲政治同盟的辩论仍在继续.A...
In each cycle of operation the particle picks up energy from the oscillating eletric field.粒子每运转一周都从振荡电场获取新的能量.The ferrography is a wear diagnosis technology based on the analysis of wear particle.笔者利用铁谱技术作为一种监测手段,通过磨粒分析...