定语从句 Krabacber suffers from SAD, which is short for seasonal affective disorder, a syndrome characterized by severe seasonal mood swings.
根据生词SAD后面定语从句which is short for seasonal affective disorder和同位语a syndrome characterized by severe seasonal mood swings, 我们可以推断出 SAD含义，即“季节性情绪紊乱症”。
3根据举例猜测词义 恰当的举例能够提供猜测生词的重要线索，例如：
The consequences of epochal events such as wars and great scientific discoveries are not confined to a small geographical area as they were in the past. 句中“战争”和“重大科学发现”是生词的实例，通过它们我们可以猜出epochal的 大致词义“重要的”，这与其确切含义“划时代的”十分接近。
总之，雅思阅读猜词并不是瞎猜，是需要联系上下文以及线索有技巧的去猜，这样才更可能猜对词意，进而更好的理解全文。
