单词 round-out 释义 round-out, n. Aeronaut.[f. vbl. phr. to round out: see *round v.1 15.]The smooth, curving descent of an aircraft levelling out to land; = flare-out n. 2.1956W. A. Heflin U.S. Air Force Dict. 448/1 Roundout, a flareout.1978Aviation Wee...