n.沙洲,沙丘
The ship hit a sandbank.
轮船撞击到沙坝上。
The sandbank was uncertain, like quicksand under his feet.
那个沙坝并不稳固,他脚下如同踩着流沙一般。
What was formerly a sandbank has now become fertile paddy fields.
原来的沙滩如今变成了米粮川.