A、It is of help to space walking astronauts.
B、It got its name for its clumsiness.
C、It is 3.6 meters high.
D、It took people more than $200 million to build it.
A、It is of help to space walking astronauts.
B、It got its name for its clumsiness.
C、It is 3.6 meters high.
D、It took people more than $200 million to build it.
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