Co-operation was more than just an attractive option, it was an obligation.合作不仅仅是诱人的选择，它也是一种责任。When teachers assign homework, students usually feel an obligation to do it.当老师布置家庭作业的时候，学生们通常觉得做作业是分内之事。You are under no obl...
Surfaces may be fairly smooth or irregular, hummocky or ridged.其表面也许是相当平滑或不规则, 成波形或背状.The burying - ground is merely a huge waste of hummocky ( hilly ) earth , like a derelict ( deserted ) building - lot.坟场只不过是一片 土丘 林立的荒...
In that war England was not an ally; she was neutral.在那场战争中,英国不同任何一国结盟, 保持中立.He will have no choice but to ally himself with the new movement.他除了与新运动结盟别无选择。The closest ally to the Tattaglia Family was Don Emilio Barzini....