Reason: the body quickly habituates to the chemical and requires ever higher doses to feel anything at all.
原因呢：人体迅速适应了这种化合物，需要更高剂量才能有点感觉。
2
WASH said that too much salt in childhood habituates youngsters to the taste of salt, and puts up blood pressure, which leads to strokes and heart failure.
盐与健康世界行动“称，童年食盐摄入过多会导致青年时期习惯食盐、血压升高，引发中风和心力衰竭。
3
In contrast, employees habituates themselves to break the task down according to working days. They have got used to leaving office on time, leaving behind the rest for tomorrow.