n. 名词拇指；（手套的）拇指部份
vi. 不及物动词翘起拇指请求搭乘（过路汽车），示意请求搭便车；翻阅
vt. 及物动词翻阅；作搭车手势；用拇指翻脏[翻坏]（书页等）
The child held the book with his thumb and index finger.
孩子用拇指和食指拿着书。
She pressed the button with her thumb.
她用拇指按下按钮。
He was flipping through the pages using his thumb.
他用拇指翻动着书页。
The artist held the brush between his thumb and fingers.
艺术家把画笔夹在拇指和其他手指之间。
She gave a thumbs up with her thumb.
她用拇指竖起了大拇指。
He tapped the screen with his thumb.
他用拇指轻敲屏幕。
The musician strummed the guitar with his thumb.
音乐家用拇指拨弄着吉他。
She twirled her pen with her thumb.
她用拇指转动着钢笔。
He adjusted the volume with his thumb.
他用拇指调节音量。
The mechanic held the wrench with his thumb and palm.
机械师用拇指和手掌拿着扳手。
hold thumbs
希望(计划)成功；期望如愿以偿
rule of thumb
经验法则；凭经验得来的法则
green thumb
天赋的种植技能，种植花木蔬菜的天赋
thumb index
拇指索引；书边标目；切口索引
tom thumb
矮生花卉；矮生蔬菜；小野花
复数: thumbs;
第三人称单数: thumbs;
过去式: thumbed;
过去分词: thumbed;
现在分词: thumbing;
