n.沙洲;沙丘
The oil tanker ran aground on a sandbank. 这艘油轮在一个沙洲上搁浅了。
Our ship grounded on a sandbank. 我们的船在在沙滩上搁浅。
The boat stuck on a sandbank but we soon got it afloat again. 小船在沙丘搁浅,没过多久我们就又使它航行自如了。