3 sentences

1. 麋鹿曾在中国野外灭绝，后来才被重新引入。

   mí​lù céng zài Zhōng​guó yě​wài miè​jué, hòu​lái cái bèi chóng​xīn yǐn​rù.

   The Milu deer once became extinct in the wild in China and was only later reintroduced.

   Source: Dong Chinese Dictionary

2. 为了增加趣味性，作者在第二章引入了一个神秘角色。

   wèi​le zēng​jiā qù​wèi​xìng, zuò​zhě zài dì'èr zhāng yǐn​rù le yī gè shén​mì jué​sè.

   To add an element of interest, the author introduced a mysterious character in the second chapter.

   Source: Dong Chinese Dictionary

3. 他的精彩演讲将听众引入了一个全新的思维空间。

   tā de jīng​cǎi yǎn​jiǎng jiāng tīng​zhòng yǐn​rù le yī gè quán​xīn de sī​wéi kōng​jiān.

   His wonderful speech led the audience into a whole new space of thought.

   Source: Dong Chinese Dictionary