单词：main components
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美国开展新型航天器的研制工作 Since the retirement of its shuttle fleet in 2011, the U.S. space agency NASA has had to rely on Russian space vehicles to carry astronauts to the International Space Station. In the meantime, NASAs engineer
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New US Launch Vehicle Being Developed 美国开展新型航天器的研制工作 Since the retirement of its shuttle fleet in 2011, the U.S. space agency NASA has had to rely on Russian space vehicles to carry astronauts to the International Space St
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今天我们要学的词是Main Street。 Main Street, 在美国，不论大城市还是小城镇，通常会有一条主街叫 Main Street. 如今说起Main Street，一般泛指普通民众、工薪阶层和小企业主的利益，相对于Wall Str
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今天我们要学的词是Main Street。 Main Street, 在美国，不论大城市还是小城镇，通常会有一条主街叫 Main Street. 如今说起Main Street，一般泛指普通民众、工薪阶层和小企业主的利益，相对于Wall Str
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'Cruel Beautiful World' Was Inspired By Two Haunting Relationships play pause stop mute unmute max volume 00:0007:07repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Fla
2016年NPR美国国家公共电台10月