like: Đại tây dương → →
der Atlantik ☊ 
Đại tây dương ☊ 
☊ the first commercial flights across the Atlantic ☊ commercial ☊
the Antarctic/Arctic/Atlantic/Indian/Pacific Ocean ☊ ocean ☊
people on both sides of the Atlantic ☊ side ☊
der Atlantik ☊ Đại tây dương ☊ ☊