fingertip 核心词议：
n. （手）指尖；指套
adj. 容易接近的；延长到指尖的（如外套或面纱）
fingertip 基本解释
速记方法知识扩展
习语积累
习语 n. have sth at your fingertips 掌握（信息等）；熟悉，精通（知识等）；对…了如指掌；有…随时可供使用 to have the information, knowledge, etc. that is needed in a particular situation and be able to find it easily and use it quickly to your fingertips (BrE) 完全；十足 in every way She's a perfectionist to her fingertips. 她是个道道地地的完美主义者。
中文词源
中文词源：
fingertip
精选例句
1、 The subjects were asked to use their free right hand point with a baton to the location of each knuckle and fingertip of their left hand.
实验对象被要求用他们空出来的右手拿着一根指挥棒，指出他们左手每个指关节和指尖的位置。
常见考点例句：
- Each ' fingertip ' is somewhat larger than our own solar system .
- 其中每个“指尖”都比我们自己的太阳系略大一些。
- Curtin did a few fingertip pull-ups .
- curtin用手指做了几个引体向上。
- David seem to get the whole business at his fingertip .
- 大卫似乎对整个事件了如指掌。
- But then I saw that he had a bit of black powder on his fingertip .
- 不过，接着我就看见他指尖上有一撮黑色粉末。
- A human fingertip can sometimes grow back and cuts often heal with minimal scarring .
- 人类的指尖有时可以重新生长出来，而且伤口能愈合成微小的伤疤。