Learning lessons from the Moon ️ 6 Minute English

️inert - not moving; unable to move ️crater - very large hole in the ground, which has been caused by something hitting it or by an explosion; the round hole at the top of a volcano ️pockmarked - marked by small holes and scars ️a big deal - important or significant ️trace (something back) - discover the causes of something by investigating how it developed ️a smoking gun - indisputable incriminating evidence; conclusive proof of something

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