“间歇期”用英语怎么说？

随后四年,是繁荣的间歇期.The following four years were a prosperous interlude.在这些间歇期, 可出现亚急性腹痛,马可呈犬坐姿势.Between these episodes, subacute abdominal pain is manifest and the horse may assume a sitting - dog position.内斯塔和塞尔吉尼奥将会在三月的间歇期后...