8) The space elevator has even more potential. We may be
able to build space elevators on other planets 5such as Mars,
too. By using them, it may be possible to send things 7back
and forth between the Earth and other planets. See Figure
2. Like sa hammer throw, we could use the rotation of a
planet 9to send things into space without using fuel.
9) The space elevator may soon become a reality.
Someday in the future, even elderly people and children may
be able to go into space without any special training.
5. such as ~「そのような
6. them は何を指す
7. back and forth 「行ったり来たり
8. a hammer throw
9
•
J
」 あちこちへ
彼は、
He travels back and forth between the U.S. and Japan
ハンマー投げ
J
to send 副詞的用法 (目的) の不定詞