亭障 tíngzhàng frontier fortifications Definitions Defs Origin Strokes Stroke Words Sentences Sents 亭障 tíngzhàng frontier fortifications (literary) defensive works on the frontier, such as border walls, watchtowers, and checkpoints
亭障 tíngzhàng frontier fortifications (literary) defensive works on the frontier, such as border walls, watchtowers, and checkpoints
