How to pronounce 洞庭湖 in Cantonese (3 out of 4):

最終飛過洞庭湖
Finally, we flew over the cave-garden lake.

Cantonese Sentence Breakdown

最終 zeoi3 zung1
finally
飛過 fei1 gwo3
Fly over
洞庭湖 dung6 ting4 wu4
Dongting Lake