一只鸽子在榆树上咕咕地叫。

A pigeon is cooing up in one of the elm.

youdao

一只鸽子在榆树上咕咕地叫。

A pigeon was cooing up in one of the elms.

youdao

一只鸽子在榆树上咕咕地叫。

A pigeon was cooing up in one of the elms.

youdao