Lowken.洛克lowadj.低的；少的；低落的；低声的；卑劣的；低等的adv.低地；低声地；低下地；廉价地n.低水平；低价；低谷v.哞哞叫low down pump卧式泵low wheel car低轮小车low dose rate低剂量率low threshold低门限low cost code低成本码low loss mode低损耗模low-contrast低反差的low-fat milk低脂牛奶low loss glass低损失玻璃Low Cretaceous下白垩统