like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extend from pole to pole.
2019年6月四級真題（第二套）閱讀 Section A
柯林斯高階英漢雙解學習詞典釋義
VERB
在…開拓殖民地;將…建成殖民地
If people colonize a foreign country, they go to live there and take control of it.