他们在堆沙堡吗？

Are they making a sandcastle?

youdao

当那些小孩正在堆沙堡时，他们的父母大声叫他们。

While the children were building sandcastles, their parents called out to them.

youdao

辛迪：嗯，踩在柔软的细沙上真舒服！你看那，一群小朋友忙着捡贝壳呢，还有一对夫妇在堆沙堡。

Cindy: it's so comfortable to step on the soft white sand. Look! The kids there are busy collecting shells. The young couple is building a sand castle.

youdao

辛迪：嗯，踩在柔软的细沙上真舒服！你看那，一群小朋友忙着捡贝壳呢，还有一对夫妇在堆沙堡。

Cindy: it's so comfortable to step on the soft white sand. Look! The kids there are busy collecting shells. The young couple is building a sand castle.

youdao