南大西洋
南大 (nándà) is a short form that often appears as part of the compound 南大西洋, meaning "South Atlantic." On its own, 南大 can also be an abbreviation for Nanjing University (南京大学). Context determines the intended meaning, but in geographical texts it typically refers to the southern part of the Atlantic Ocean.
南大西洋的气候和北大西洋很不一样。
nán dàxīyáng de qìhòu hé běi dàxīyáng hěn bù yīyàng.
The climate of the South Atlantic is very different from that of the North Atlantic.
她考上了南大,全家人都很高兴。
tā kǎoshàng le nán dà, quánjiā rén dōu hěn gāoxìng.
She got into Nanjing University, and the whole family was very happy.
南大的校园特别漂亮,值得去看看。
nán dà de xiàoyuán tèbié piàoliang, zhíde qù kànkan.
The campus of Nanjing University is especially beautiful and worth visiting.