cavity

虫歯、う蝕

虫歯によって歯にできた穴や傷んだ部分。

やさしい英語で： A hole or damaged area in a tooth caused by decay.

• The dentist found a cavity.
• She had two cavities filled last week.
• Brushing your teeth helps prevent cavities.

類義語： caries

よく使う表現： have a cavity, fill a cavity, dental cavity

空洞、くぼみ

固い物の内部にある空いた場所や穴。

やさしい英語で： An empty space or hole inside something solid.

• Water collected in a cavity in the rock.
• The wall has a cavity between its two layers.
• They filled the cavities with foam.

類義語： hole, hollow, space

よく使う表現： wall cavity, cavity in something, air cavity

体腔、腔

体の内部にある空洞。

やさしい英語で： A hollow space inside the body.

• The lungs are inside the chest cavity.
• Fluid had collected in the abdominal cavity.
• The scan showed a swelling in her nasal cavity.

よく使う表現： abdominal cavity, nasal cavity, chest cavity