🔍 牛津詞典
🔍 朗文詞典 🎯
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典：
(Mr. Ng 不推薦使用 Google 翻譯！)
最近搜尋：
BNC: 26951 COCA: 19905

cornea

Word family 
Related topics: Biology, Human
cor·ne·a /ˈkɔːniə $ ˈkɔːr-/ noun [countableC]  
HBthe transparent protective covering on the outer surface of your eye 〔眼球的〕角膜
—corneal adjectiveadj
Examples from the Corpus
cornea• Now, more than 100 banks across the country supply 40,000 corneas per year.• a cornea transplant• The ring is virtually invisible around the central cornea which is the critical area for clear vision.• Even human corneas do not work without effort.• This change could have created a severe shortage of corneas and other tissues in California, said Ward.• Instead, Mr Choyce implants a delicate lens between the lens of the eye and the cornea.• Actual blindness occurs only after years and years, and is caused by infestation of the cornea - which eventually becomes opaque.• A tendency to accumulate sticky mucus on the cornea removed by blinking.• It had the immediate effect, he said, of cutting the volume of usable corneas in half.
Origin cornea
(1300-1400) Medieval Latin Latin, “horny”, from cornu “horn”; because its structure is like horn
cor·ne·a noun
Chinese
Syllable
Corpus
BNC: 26951 COCA: 19905
BNC: 26951 COCA: 19905
BNC: 26951 COCA: 19905

👨🏻‍🏫 Mr. Ng 朗文詞典 📚 – longman.mister5️⃣.net
切換為繁體中文
Site Uptime