define

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• ① 给…下定义;阐释
  • Who can define this word?谁给这个字下定义?
  • A "square" may be define as a rectangle with four equal sides.「正方形」可定义为具有四等边的矩形。

• ② 表明(己见、立场等)
  • define one's position表明自己的立场

• ③ 限定(界线、管围)
  • Boundaries between countries are not always clearly defined.国与国之间的疆界并不总是清楚地划分。