n.楔子；木楔；楔形木垫
v.用楔子垫阻
adv.紧紧地
Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
Chock the back wheels when I stop . 在我停下车时，把后轮用楔子塞住。
The milling machine was firmly chocked up. 那台铣床用楔子稳固地支垫着。
He stood chock up against the railing. 他紧紧挨着栏杆站着。
