4 sentences for 封閉 (fēng​bì — isolated)

1. 我又开始封闭自己。

   wǒ yòu kāi​shǐ fēng​bì zì​jǐ.

   I started to close myself off again.

   Source: CCMatrix

2. 洞穴是封闭的。

   dòng​xué shì fēng​bì de.

   The cave is closed.

   Source: OpenSubtitles

3. 在这个季节，其他地中海度假胜地通常是封闭的。

   zài zhè​ge jì​jié, qí​tā dì​zhōng​hǎi dù​jià​shèng​dì tōng​cháng shì fēng​bì de.

   During this season, other Mediterranean resorts are usually closed.

   Source: CCMatrix

4. 我们的研究基地是一个由科学家和基地工作人员组成的小型封闭社区。

   wǒ​men de yán​jiū jī​dì shì yī​ge yóu kē​xué​jiā hé jī​dì gōng​zuò​rén​yuán zǔ chéng de xiǎo​xíng fēng​bì shè​qū.

   The research base is a small, closed community of scientists and base staff.

   Source: CCMatrix