"前面有个沙滩" 的英文可以表述为 "there is a beach in front of us" 或 "there is a sandy beach ahead of us."
来源：沙滩是由沙粒组成的海滩，前面是指在我们面前的方向。
下面是一些例句：
- Let's go to the beach! There is a beautiful sandy beach in front of us.
- We can see the ocean from here. There is a beach in front of us. Let's go for a walk.
- I can hear the waves crashing on the shore. There must be a beach in front of us.
这些例句的中文翻译如下：
- 让我们去海滩吧！前面有一个漂亮的沙滩。
- 我们可以从这里看到海洋。前面有一个海滩，让我们去散步。
- 我可以听到海浪在岸边砰砰作响。前面一定有一个海滩。