eventin

常见例句

• launch a rocket with a crew of men to the moonthis year.The rocket will do some scientificresearch and experiment on the orbit. probablywill land on the moon.That＇s a great eventin space.
  中國上周二宣佈今年將要發射載人火箭到月球.;火箭將在軌道上做一系列的科學研究和實騐
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