[建筑学]拱顶石:位于拱顶的塞缝石.Architecture The keystone in the crown of an arch.用防水原料填塞缝隙或塞缝片一年也能节省一千七百磅.Caulking and weather - stripping can save another 1,700 pounds per year....
There were inevitable bouts of homesickness.难免会涌起一阵阵的思乡情绪。He returned to his native land of homesickness.他因怀念故土而返回(乡里).The girl appeared to be overcome with homesickness.这女孩看来想家想得受不了啦....
Pricing decisions made in a collusive atmosphere come close to monopoly pricing.在勾结的情况下制定的价格,接近于垄断价格.Collusive price leadership characterizes oligopolistic markets.串通式价格领导具有寡占市场的特征.But almost all the proposed threshold g...