ᱫᱚᱨᱭᱟ: ᱨᱮᱱᱟᱜ ᱫᱚᱦᱲᱟᱭᱮᱱ ᱛᱟᱞᱟᱨᱮᱭᱟᱜ ᱯᱷᱟᱨᱟᱠ ᱠᱚ

Seas are important for human development and trade, as at Singapore, the world's busiest entrepôt.]]

 

https://en.wikipedia.org/wiki/Sea#cite_ref-NGSencycl_1-1

http://nationalgeographic.org/encyclopedia/sea/

National Geographic (online). Washington, DC: The National Geographic Society (NGS). Retrieved 7 January 2017. [Quote:] ...a sea is a division of the ocean that is enclosed or partly enclosed by land...</ref>

<ref>https://books.google.com/?id=0JkKOFIj5pgC&pg=PA47</ref>

==ᱥᱟᱺᱜᱽᱭᱟᱹ(Definition)==