hollowlyadv.凹陷地；空心地；不诚实地hollowadj.空的；空洞的；凹陷的；虚伪的；(声音)沉闷的n.山谷；洞；窟窿vt.挖空vi.形成空洞adv.完全地；彻底hollow walling空心墙hollow erosion空蚀hollow enclave空芯包体hollow cathode空心阴极,中空阴极hollowing file槽形锉,圆锉hollow ellipse椭圆hollow vacuous空的hollow finance金融空洞化Hollow threats无用的恐吓hollow spheres空心圆球体