NASA officials have declared all systems go for the rocket launch.美国国家航空和航天局官员宣布火箭发射已经一切就绪。Everything is in gear for the visit.为这次访问所做的准备工作一切就绪。When everything is in place, the building work begins, even if it means running two massive projects at the same time.一切就绪之后建筑工程就会启动,尽管这意味着两项巨大的工程将同时进行。