| Word: | 防线 |
| POS: | NN (other noun) |
| Lemma: | 防线 |
| Concept(s): |
防线 (defensive structure consisting of a barrier that can be employed for defense against attack;) 马其诺 防线 (a fortification built before World War II to protect France's eastern border; initially considered to be impregnable, it was easily overrun by the German army in 1940;) |