这本书于去年二月推出。
The book was ___launched last February.
这家航空公司将于下个月推出其新的跨大西洋服务。
The airline will ___launch its new transatlantic service next month.
这家公司正在推出一款新产品,由彼得负责管理。
The firm was ___launching a new product, with Peter as the manager in charge.