5.bouts of depression alternate with periods of elation.
经济繁荣期和萧条期交替出现。
6.alternate bouts of intense labour and of idleness.
一儿强度劳,一儿又无所事事。
7.he suffered from bouts of insanity.
他患了阵发性精神病。
8.She is disposed to sudden bouts of depression.
她不突然抑郁症发作。
9.For much of his life he suffered from recurrent bouts of depression.
他大半辈子反复发作抑郁症。
10.Afterward, Cao Xueqin had unfolded that book inspecting for ten years, made additions and deletions five times, compiled catalogue and bouts, titled it《twelve hairpins of the Jin Lin》 elsewise.