nail

音标发音

n. 指甲；钉子；（软喙鸟类）上喙的硬甲壳；纳尔（布匹长度单位等）
v. 把……钉牢，固定；抓获并证明有罪；揭露；（体育运动中）赢得，击败；（比赛选手）大力扣球；（外场手）把（跑垒者）杀出局；（选手）锁定（胜局）；（男性）与……性交
n. (Nail) （美、法、俄、英）纳伊（人名）

(METAL) a small, thin piece of metal with one pointed end and one flat end that you hit into something with a hammer, especially in order to fasten or join it to something else
(BODY PART) a thin, hard area that covers the upper side of the end of each finger and each toe
(FASTEN) to fasten something with nails
(CATCH) to catch someone, especially when they are doing something wrong, or to make it clear that they are guilty

A nail is a thin piece of metal with one pointed end and one flat end. You hit the flat end with a hammer in order to push the nail into something such as a wall.
If you nail something somewhere, you fasten it there using one or more nails.
Your nails are the thin hard parts that grow at the ends of your fingers and toes.
To nail someone means to catch them and prove that they have been breaking the law.
If you say that someone has hit the nail on the head, you think they are exactly right about something.

指甲
OBJECTIVEThe part distal to the finger nail root is defined as the fingertip. lt is a special zone for replantation ,My aim is to found the distribute route of fingertip blood vessel by microanatomy.
目的指尖是指指甲以远的部分。
趾甲