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括号(parentheses)
①解释说明生词。

②补充说明

Drugs (substances) that affect the central nervous system and alter perception, mood, and behavior are known as psychoactive substances. (1997，Text 3)

In Australia—where an aging population, life-extending technology and changing community attitudes have all played their part—other states are going to consider making a similar law to deal with euthanasia.
成都考研英语辅导班老师为大家整理的2022考研英语阅读答题技巧之括号的意义只要我们把难的部分拿下了，那么，简单的那一部分应付起来自然就如探囊取物，唾手可得了。