2 sentences

1. 讲座结束后，紧接着是自由讨论环节。

   jiǎng​zuò jié​shù hòu, jǐn​jiē​zhe shì zì​yóu tǎo​lùn huán​jié.

   The lecture was followed immediately by a free discussion session.

   Source: Dong Chinese Dictionary

2. 天空划过一道闪电，紧接着响起一声霹雳。

   tiān​kōng huá​guò yī dào shǎn​diàn, jǐn​jiē​zhe xiǎng​qǐ yī shēng pī​lì.

   A bolt of lightning flashed across the sky, followed by a clap of thunder.

   Source: Dong Chinese Dictionary