陆海空 lùhǎikōng land, sea, and air Origin Definitions Defs Strokes Stroke Words Sentences Sents 陆海空三军 lùhǎikōngsānjūn armed forces army, navy, and air force; the three services of the military陆海空军 lùhǎikōngjūn army, navy, and air force army, navy and air force