1.
Thumb index: Index where the alphahctical divisions are cut into the of the book trim
拇指索引:在切口处，依字母次序，挖成指甲形的索引。
2.
To suction with a bulb syringe, push bulb in with your thumb.
用球吸引器时先用拇指把球压扁。
3.
thumb-stall (sheath to cover an injured thumb)
拇指套（保护受伤拇指的）.
4.
snap one's fingers( make a clicking noise by moving the second or third finger quickly against the thumb,eg to attract sb's attention,mark the beat of music,etc)
打榧子（用食指或中指捻碰拇指发声,如为引人注意或打音乐拍子等）
5.
A print made by the thumb, especially by the pad of the thumb.
拇指纹尤指拇指肉厚部分留下的指纹
6.
He reached out for the line and held it softly between the thumb and forefinger of his right hand.
他伸手去拉钓索，把它轻轻地夹在右手大拇指和食指之间。
7.
An opening made to fit a thumb, as in a bowling ball.
拇指孔（保龄球）上供拇指插入的孔
8.
WiseNut Search Engine white paper. Author: Wisenut Inc. 2001.
搜索引擎目录。作者：搜索引擎指南网。
9.
index file pointer record
索引文件指示字记录
10.
Application of the thumb-foot dorsal nerve retrograde flap to repair thumb pulp defect
拇指尺背侧皮神经逆行皮瓣修复拇指指腹缺损
11.
He tightened the pressure of his thumb and finger for a moment and the weight increased and was going straight down.
他一时加强了大拇指和食指上的压力，于是钓索上的分量增加了，一直传到水中深处。
12.
Her thumb is painfully swollen.
她的大拇指肿痛难忍.
13.
bash one's thumb with a hammer
用铁锤重重地敲到拇指
14.
Oliver wet his great thumb.
奥立佛舐了一舐大拇指。
15.
To force out the eye of(a person) with one's thumb.
用拇指挖出（某人）的眼睛
16.
I gave Jonno the thumbs-up sign.
我对Jonno 翘起了大拇指。
17.
thumb a ride [lift]
竖起拇指以求搭便车
18.
The child still sucks its thumb.
这个小孩还吸吮拇指。