crater

クレーター

宇宙から来た物が地面に衝突してできる、大きな丸い穴。

やさしい英語で： A large round hole made when something from space hits the ground.

• The rock left a huge crater.
• Several craters cover this part of the moon.
• Scientists measured the crater after the meteorite hit.

類義語： impact pit

よく使う表現： impact crater, lunar crater, deep crater

火口

火山の頂上にあり、熱い岩石やガスが出る大きな開口部。

やさしい英語で： The large opening at the top of a volcano, where hot rock and gases come out.

• Smoke rose from the crater.
• We walked around the volcano’s crater.
• Hot water filled the crater of the geyser.

よく使う表現： volcanic crater, crater rim, crater lake

崩壊する、暴落する

突然ひどく失敗したり、価値や力のほとんどを失ったりする。

やさしい英語で： To fail suddenly and badly, or lose almost all value or strength.

• Sales cratered last month.
• The company’s value cratered after the scandal.
• Could the whole economy crater this year?

類義語： collapse, crash, plummet

よく使う表現： crater overnight, sales crater, prices crater

激突する、転倒する

特に速く動いているとき、転んだり激しくぶつかったりする。

やさしい英語で： To fall or hit something hard, especially while moving fast.

• He cratered on his first jump.
• My brother cratered into the snow beside me.
• She lost control and cratered at the bottom of the slope.

使い方： crater into something (The skier cratered into a pile of snow.)

類義語： crash, fall

よく使う表現： crater into something, crater on landing