venera program造句

• venera program : venera 1 becomes the first man-made object to fly-by another planet by passing venus ( the probe had lost contact with earth a month earlier and did not send back data )
  1961年的今天，维尼拉计划：维尼拉1号太空揣测船在经过金星后，成为首架人造的、能飞往其他星球的物体。