求翻译What do scientists say about the collision of an asteroid

求翻译What do scientists say about the collision of an asteroid 英语翻译Black holes on a collision course Scientists say Chandra 翻译一下Do we care what the others say about us or do we want to 翻译并回答What do you want say about Hainan? what do the shool rules say about fight?英语翻译 What do the school rules say about fight What do Mr.Smith say about the books?改错 what's the meaning of"Do what i say" you know what they say about the early bird翻译 what does the fox say求翻译 解释What do you know about great scientists? Do you know what in the middle of ''Tian'an men '' is翻译