cavity
cavity — 名詞
- cavitysingular
- cavitiesplural
1. a space that has been left empty inside a solid mass, or the narrow opening wher
空洞；縫隙
固體內部的空處或兩面之間的縫
a space that has been left empty inside a solid mass, or the narrow opening where two surfaces meet but do not touch completely
A small cavity in the wall gave the mice a way into the kitchen.
牆上的一個小空洞讓老鼠有路可進廚房。
cavity in [surface]: an empty space inside a solid object
The builders filled every cavity between the bricks with cement.
建築工人用水泥填滿了磚塊之間的每條縫隙。
fill a cavity — common verb + noun collocation
Lan checked inside the wall cavity for any signs of damp after the heavy rain.
Lan 在大雨過後檢查了牆內的空洞，看是否有潮濕的跡象。
When Tomás peeled the orange, a small cavity remained where the fruit had connected to the tree.
Tomás 剝柳橙時，果實原本連著樹幹的地方留下了一個小凹洞。
The engineers designed the bridge with several empty cavities to reduce its overall weight.
工程師在設計這座橋時預留了幾個空腔，以減輕總重量。
- solid
a mass with no empty space inside
文法句型
cavity + in + [something solid]
用法筆記
Cavity usually refers to a space inside something that was designed or formed that way (e.g. a wall cavity), or a gap that exists naturally between two surfaces. For an accidental or unwanted opening, 'hole' is more common.
常見錯誤
2. a small hole that forms in a tooth when the hard outer layer is damaged by acid
蛀洞
牙齒因蛀蝕而形成的小洞
a small hole that forms in a tooth when the hard outer layer is damaged by acid from sugar and bacteria
The dentist found a small cavity between two of Zola's back teeth.
牙醫在 Zola 後排兩顆牙齒之間發現了一個小蛀洞。
find a cavity — typical verb pairing at the dentist
Brushing your teeth twice a day helps prevent cavities from forming.
每天刷牙兩次有助於預防蛀洞的形成。
prevent cavities — common health-advice pattern
Rafael was told he had a cavity that would need a filling right away.
Rafael 被告知有一顆蛀牙需要馬上補起來。
Children who eat many sugary snacks sometimes get cavities in their baby teeth.
常吃甜食的孩子有時會在乳牙上長蛀洞。
Olivia's dentist said the cavity was too deep to fix with a simple filling.
Olivia 的牙醫說那個蛀洞太深，無法用簡單的填補方式處理。
- hole (in a tooth)
less formal, used in everyday speech
- decay
the process of damage rather than the resulting hole; uncountable
- caries
medical term for tooth decay; mostly used by dentists
文法句型
have + cavity / cavities
用法筆記
In everyday conversation, people often say 'a hole in my tooth' to mean a cavity. 'Cavity' is the standard term used by dentists and in health information.
常見錯誤
3. a hollow space inside the body that contains internal organs, or a natural open
體腔
身體器官周圍或內部的空腔
a hollow space inside the body that contains internal organs, or a natural open area within a body part such as a bone or sinus
The nasal cavity warms and moistens the air before it reaches the lungs.
鼻腔會在空氣進入肺部之前將其加溫並加濕。
nasal cavity / chest cavity / oral cavity — specific named body cavities
Surgeons examined Heloísa's abdominal cavity using a small camera.
外科醫生用一台小型攝影機檢查了 Heloísa 的腹腔。
An infection in the chest cavity can make it very painful to breathe deeply.
胸腔感染會導致深呼吸時非常疼痛。
The oral cavity contains the tongue, teeth, and the openings of the salivary glands.
口腔內包含舌頭、牙齒以及唾液腺的開口。
A CT scan can show whether there is fluid trapped inside any of the body cavities.
電腦斷層掃描可以顯示身體任一空腔內是否有積液。
文法句型
the [adjective] cavity
body cavity
用法筆記
In medical contexts, cavity often appears with a specific adjective naming the body area, such as 'nasal cavity,' 'oral cavity,' 'abdominal cavity,' or 'chest cavity.' These are fixed anatomical terms.