fly-by

fly-by
/ˈflaɪbaɪ; `flaɪ ˌbaɪ/ n
(pl `fly-bys) flight, esp by a spacecraft, past a point or target 经某点或某目标的飞行（尤指宇宙飞行器）
    a fly-by of Jupiter 经过木星的飞行.

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