Thumbing例句

Thumbing a lift had once a carefree, easy-going image.
伸手搭便车曾经给人以轻松随意的形象。

I went out onto the road to start thumbing.
我走到公路上,竖起拇指要求搭车.

Thumbing the book, he found a maple leaf in it.
他匆匆翻了一下书, 找到一片枫叶.