Traffic 12 o ', 15 miles, southbound, B 747, conveging, FL 200.
飞机在正前方15海里,向南飞行, B747, 汇合飞行, 高度层200.
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输卵管内下方, 前后腹膜皱襞汇合形成输卵管系膜.
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A hipped hip roof has sloping sides and ends meeting at inclined projecting angles called hips.
带斜脊的屋顶有倾斜的侧面和在斜向突出的拐角处汇合的末端.
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