great guns短语⁴⁴²²⁷ 基本例句 adv.唉哟好家伙;糟糕 The American space industry’s share of commercial- satellite manufacturing has fallen from over80% before1999 to 50% now. The French are going great guns with an “ ITAR- free” design. 美国空间工业在商业卫星制造业的市场分额从1999年以前的超过80%衰降到现在的50%法国人的设计理念是不受 ITAR约束，因此其生意兴旺发达。 ecocn