1.
The span is the basic measure, i.e. the distance from the tip of the middle finger to the tip of the thumb of the outspread hand.
跨距是基本的度量，例如，中指指尖到张开的手掌上的大姆指指尖的距离。
2.
(of an arrow) tapered toward both ends.
（指箭头）两端都尖。
3.
Fingertip Detection Approach for Finger-Writing Chinese Character Recognition System
手指书写汉字识别系统中的指尖检测方法
4.
Floweriness on Fingertip--The Growing-up Nail Cosmetic Art;
流淌于指尖的绚丽——成长中的美甲艺术
5.
A canine tooth, especially of a horse.
犬牙，尖牙尤指马的犬牙
6.
(used of noses) turned up at the end.
（用来指鼻子）鼻尖向上。
7.
She opened the envelope with her fingertips.
她用指尖弄开了信封。
8.
He flicked me in the face.
他 (用指尖) 轻弹我的脸。
9.
The steeple rears far into the sky.
教堂的塔尖直指穹苍。
10.
He snuffed out the match with his fingertips.
他用指尖掐灭了火柴。
11.
The tips of my fingers are cold.
我的手指尖是凉的。
12.
On the Emotion and Techniques in Piano Performance;
让激情在指尖迸发——谈谈钢琴演奏中“情”与“技”
13.
Effect of dietary Chinese herbal medicines on hematological and blood biochemical indices in cultured seabass Lates calarifer
复方中草药对尖吻鲈血液生理生化指标的影响
14.
Having three cusps, especially a molar tooth.
三尖的有三个尖的，尤指臼齿
15.
A bicuspid tooth, especially a premolar.
两尖齿两尖齿，尤指前磨齿
16.
An organ or a part, especially a tooth, having three cusps.
三尖一种有三尖的器官或部分，尤指三尖齿
17.
He holds it between the tips of his thumb and forefinger
他用大拇指和食指尖拿著它
18.
He hold it between the tips of his thumb and forefinger.
他用大拇指和食指尖拿著它。