New words：

sufferable ['sʌfərəbəl] adj. 可容忍的；可忍受的；可忍耐的
insufferable [in'sʌfərəbl] adj. 难以忍受的；难以容忍的

Sample Sentences：

In her eyes, the naughty boy was an insufferable student.
Last summer, the air conditioner was out of service and the heat was insufferable.

air conditioner 空调

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