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| avant-courier; forerunner; vaunt-courier | |||
| Pioneer (无人驾驶飞机); pioneer | |||
| Vanguard (美国科学卫星); precursor | |||
| senpo | |||
| vanguard | |||
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| "Vanguard" (导弹，测地卫星、运载火箭(美)); "Vanguard" (运输机(英)，P-66战斗机(美)); "Vanguard" (号战列舰(英)，导弹靶场仪器船(美)); "Vanguard" (号人造卫星(美)); "Pioneer" (多用途飞机(英)); "Pioneer" (号扫雷舰(美)); "Pioneer" (航天探测器(美)) | |||
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| spearhead | |||
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| vanguard | |||
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| pioneer | |||
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| van | |||
| 先锋: 158 phrases in 31 subjects |