Located off-center in the irregularly shaped lake was a fountain.在这个形状不规则的湖泊的湖心以外的地方有一眼喷泉。He has been behaving irregularly.他一向行为怪异。He was eating irregularly, steadily losing weight.他饮食不规律，正在不断消瘦下去。Located off-centre in the irregularly shaped lake was a fountain.在那个形状不规则的湖的偏离湖心处有一个喷泉。