A bag or bladder that holds gas, as in a balloon.

• A lighter-than-air aircraft; a balloon or dirigible.

储存气体的囊袋，如热气球的气囊。

• 轻于空气的飞行器；气球或飞艇。

A person who talks at length with empty, pompous statements.

• A windbag; a long-winded, boastful talker.

爱长篇大论、空话连篇的人。

• 夸夸其谈的家伙；话痨。

To talk foolishly, pompously, or at tedious length; to blather.

夸夸其谈或喋喋不休地说；说些空洞的话。