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 log set空心树装夹hollow masonry空心砌块hollow packing空心填充hollow article空心制品,中空制品hollow sth out挖空, 使成空洞, 使成中空hollow section空心型钢,空心截面hollow kernels籽粒不饱满hollow plywood空心胶合板hollow-block空心方块hollow ion beam空心离子束