Chinese pronunciation lookup
航海
Said in one Chinese podcast line.
而且当时大航海时代
Moreover, it was during the Age of Discovery.

黑水记黄沙中的宝藏:敦煌莫高窟(下)
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Chinese books and courses on Amazon (affiliate link).