"We continue to run several ground-based teams that have been in operation for several years, and have actually found the majority of the known objects," Johnson says.
“我们将让几个陆基团队继续进行搜索。他们已经干了好几年了，大部分已知的小行星就是他们发现的，”约翰逊说。
I'm told you've finished a very difficult operation, Dr Johnson.
约翰逊大夫，听说你完成了一次很难的手术。
I'm told you've finished a very difficult operation, Dr Johnson.
约翰逊大夫，听说你完成了一次很难的手术。
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