Cavity
[ 'kævəti ]
第3级
其它 Other
n. 腔，洞;蛀牙，龋洞;
💡 词根助记
cav洞+ity表名词 → 穴；腔
📝 例句
The cavity is usually evacuated.
共振腔通常是抽空的。
The various harmonics are in resonance in this cavity to different degrees.
在口腔中，各种谐音的共鸣程度不同。
the mouth [oral] cavity
口腔
Standard emitters are conventionally high-temperature cavity radiators.
标准发射体通常是高温辐射腔。
The cavity in the tower is filled with high-strength concrete.
在塔内的空洞部分填满高强混凝土。
🌱 联想助记
cave 洞 + ity
✅ 同义词
🔤 词根
📖 牛津释义
cavity
n
empty space within sth solid, eg a hole in a tooth 腔, 洞（如牙齿中的洞）.
🔁 扩展释义
*['kæviti]n. 洞, 空穴, 腔【化】 空穴【医】 腔, [空]洞, 盂
🏥 医学释义
①腔，洞 ②孟，槽
🌿 同词根单词
📖 同为「CET-6」词汇
查看全部CET-6词汇 ›🗣️ 情景例句
We visited the Great Wall. We went there by bus. We all took some food and drink with us.
我们参观了长城。我们是坐车去的。我们每人都自备一些食物和饮料。
OK. I'll bring it to school in the morning.
没问题。明早我带到学校。
So far, no man has travelled farther than the moon, but spaceships without people have reach other parts of the universe.
到目前为止，尚未有人到过比月球更远的地方，但无人驾驶的宇宙飞船已到达过宇宙的其它地方。