三角翼的哥伦比亚号航天飞机在进入轨道前，起飞两分钟就抛下其两个助推火箭。
The delta-winged Columbia, before reaching the orbit, jettisoned its dual booster rockets two minutes into flight.
在此次航行的早些时候，温哥华船长恰好在失望角经过了哥伦比亚河的河口；在那里他注意到了一个小海湾，但那看上去不像是一条大河的出口。
Earlier on this same trip, Captain Vancouver had passed right by the mouth of the Columbia river at Cape Disappointment, where he noticed a small inlet that bore no promise of a great river.
三角翼的哥伦比亚号航天飞机在进入轨道前，起飞两分钟就抛下其两个助推火箭。
The delta-winged columbia, before reaching the orbit , jettisoned its dual booster rockets two minutes into flight.
三角翼的哥伦比亚号航天飞机在进入轨道前，起飞两分钟就抛下其两个助推火箭。
The delta-winged columbia, before reaching the orbit , jettisoned its dual booster rockets two minutes into flight.
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