名詞 antarctica:

1. an extremely cold continent at the south pole almost entirely below the Antarctic Circle; covered by an ice cap up to 13,000 feet deep
   同義詞：Antarctic continent

1. Antarctica is the loneliest place on earth.
   南極是地球上最偏遠(yuǎn)的地區(qū)。
2. The greater portion of Antarctica is still terra nullius.
   南極洲的大部分地方不屬于任何國(guó)家。
3. Antarctica is the earth's coldest landmass.
   南極洲是地球上最冷的大陸。
4. The Antarctica is a continent centered roughly on the South Pole.
   南極洲是一片大致以南極為中心的大陸。

Ant.arc.ti.ca

NONE（無(wú)詞性）
A continent lying chiefly within the Antarctic Circle and asymmetrically centered on the South Pole. Some 95 percent of Antarctica is covered by an icecap averaging .' km ( mi) in thickness. The region was first explored in the early 800`s, and although there are no permanent settlements, many countries have made territorial claims. The Antarctic Treaty of 959, signed by 2 nations, prohibited military operations on the continent and provided for the interchange of scientific data.
南極洲：主要位于南極圈內(nèi)，以南極為不對(duì)稱(chēng)中心的大陸。約百分之九十五的地方被平均厚度為.'公里（英里）的冰層覆蓋。該地區(qū)首次在9世紀(jì)初被勘察，盡管沒(méi)有永久性居民區(qū)，很多國(guó)家都提出了領(lǐng)土要求。由十二個(gè)國(guó)家于959年簽訂的《南極公約》，禁止在南極洲進(jìn)行軍事行動(dòng)，提供并交換科學(xué)考察數(shù)據(jù)

【引伸】
Antarc.tic
adj.（形容詞）
n.（名詞）