学习、适应能力强 ? Learning and adaptability 美国内战 ? United States civil war 排名保持在33，很稳定 ? Ranked at 33, stable ..
双语例句
1
Until around 1930 few UnitedStatesCivilWar historians paid much attention to Southerners who opposed the 1861-1865 secession from the UnitedStates by a confederacy of Southern states.
He was elected the sixteenth president of the UnitedStates in 1860, and in the next year the CivilWar broke out.
1860年，他被选为美国第16任总统，第二年，内战爆发了。
3
The Libyan civilwar may or may not be over—if Iraq is any indicator, it is far from over—but the cost of the war to the UnitedStates is sure to rise in any event.