For the most part we were silent. Occasionally I heard him muttering to himself.

大部分时候我们都保持沉默，偶尔会听到他喃喃自语。

youdao

Indeed, cooing can be heard occasionally from Burlington House.

实际上，伯灵顿宫经常能听到它们咕咕的叫声。

youdao

Indeed, cooing can be heard occasionally from Burlington House.

实际上，伯灵顿宫经常能听到它们咕咕的叫声。

youdao