rock up and down的意思

上下搖擺

look up and down───上下打量；到處尋找

jump up and down───上下跳

look sb up and down───上下打量某人

swear up and down───上下發誓

up and down───上上下下；到處；前前后后；來來往往

rock and roll───搖滾樂

rocked and roll───搖滾樂

rocking and roll───搖滾樂

rocks and roll───搖滾樂

frame’s columns however are free to rock up and down within steel shoes secured at the base.───然而，鋼架的柱子是可以隨著搖晃自由上下擺動，有鋼管托牢牢固定在基座上。

frame's columns, however, are free to rock up and down within steel shoes secured at the base.───她彎下腰，揀起一塊小石頭，把它扔進樹林里。

The frame's columns, however, are free to rock up and down within steel shoes secured at the base.───然而，鋼架的柱子是可以隨著搖晃自由上下擺動，有鋼管托牢牢固定在基座上。