gravel bar meaning in Chinese

• 砾石坝

• gravel:    n. 1.〔集合词〕砂砾，砾石。 2 ...
• bar:    n. 1.棒，杆，条；棒状物。 2. ...
• bar gravel:    河流砾石浅滩; 河滩砾石; 砂洲砾石 ...

Examples

1. Indeed , the jack hills zircons ? separated by perhaps thousands of kilometers from their source ? were found embedded in a fossilized gravel bar called the jack hills conglomerate
   事实上，在杰克丘发现的锆石，就是深埋在名为杰克丘砾岩的化石砂砾层里，而它们很可能是从几千公里远的地方被带到那里的。