n.楔子；木楔；楔形木墊
v.用楔子墊阻
adv.緊緊地
Chock the barrel up or else it will roll over. 用楔子塞住圓桶,不然它會滾過去。
Chock the back wheels when I stop . 在我停下車時，把后輪用楔子塞住。
The milling machine was firmly chocked up. 那臺銑床用楔子穩(wěn)固地支墊著。
He stood chock up against the railing. 他緊緊挨著欄桿站著。
