懂 (dǒng) - understand
读 (dú) - read
锻炼 (duànliàn) - exercise
方便 (fāngbiàn) - convenient
放 (fàng) - put
https://lms.skill-live.com/pluginfile.php/1726/mod_book/chapter/169/7308571564230917-audio.ogg