balloon

風船

空気やガスを入れた薄いゴムの袋。おもちゃや飾りに使う。

やさしい英語で： A thin rubber bag filled with air or gas, used as a toy or decoration.

• She held a red balloon.
• We filled the room with balloons.
• My balloon burst when it touched the fence.

よく使う表現： birthday balloon, blow up a balloon, balloon on a string

気球

ガスや熱い空気で浮かぶ袋状のもの。人や機器を運ぶこともある。

やさしい英語で： A bag filled with gas or hot air that floats, sometimes carrying people or equipment.

• The balloon rose above the fields.
• A weather balloon carried instruments into the sky.
• They crossed the valley in a balloon.

よく使う表現： hot air balloon, weather balloon, balloon flight

球形装飾

建物や柱の頂上に置かれた丸い装飾。

やさしい英語で： A round decoration at the top of a building or column.

• A stone balloon crowns the pillar.
• Workers repaired the balloon above the church dome.
• The architect placed a golden balloon on the roof.

類義語： globe

よく使う表現： stone balloon, balloon ornament

急増する、膨れ上がる

急に大きく膨らむ、または量が急速に増える。

やさしい英語で： To become much larger or increase very quickly.

• Costs began to balloon.
• Her workload ballooned after two colleagues left.
• The repair bill has ballooned to three thousand pounds.

使い方： balloon to something (The cost ballooned to twice the original estimate.); balloon from A to B (The debt ballooned from ten thousand to fifty thousand dollars.)

類義語： grow, expand, soar

反対語： shrink

よく使う表現： costs balloon, balloon in size, balloon to something, prices balloon