ラジオ英会話　Lesson 023　基本文型　説明型③：to 不定詞を説明語句に

My goal is to become an astronaut.

Dr. Altair: And here are some rock samples from an asteroid. They were recently brought back to the Earth.

Yoko: I can’t believe it! This is from the Osobusa probe!

Dr. Altair: That’s right. You seem to know a lot about space exploration.

Yoko: Well, my goal is to become an astronaut.

Dr. Altair: That’s great. You’ll definitely achieve your goal if you study hard.

Yoko: Thank you, Dr. Altair. I hope so. I really want to go to the Moon someday.

Dr. Altair: I’m sure you will.

asteroid 　小惑星
probe 　探査機
space exploration 　宇宙探査
astronaut 　宇宙飛行士
definitely 　必ず、きっと
exactly 　正確に
if you are to ～ 　もし～するつもりなら
work on 　～に取り組む
getting much fitter 　はるかによりフィットした状態になる