the process of changing to suit different conditions of life, weather, etc., or the act of making someone or something do this

Overseas drivers driving on the opposite side of the road for the first time may need a few days of acclimatisation. 海外来的司机第一次在公路另一侧行驶，可能需要几天的适应期。

Inadequate acclimatization may lead to altitude sickness above 8,000 ft. 适应不足可能会导致在8000英尺以上时出现高原病。