firmy[俄]联合公司firmn.公司；商行adj.坚定的；结实的；坚固的；严格的v.(使)变得坚实；确定adv.稳固地；坚定地firms' performancefirmly tight force紧固力firm sale contract确定的销售合同firm with children严格对待孩子firm' s capabilityfirm and unyielding不屈不挠firm peak discharge恒定最大使用量firm labor turnover厂商劳动力周转率firmly push forward扎实推进firm and courageous坚勇