1
- of or at the front前面的, 正面的：
the frontal view misses the octagonal tower.
在正面的风景中看不到八角塔。
1.1
- (of an attack) delivered directly on the front, not the side or back（攻击）从正面发起的。
1.2
- of or relating to the forehead or front part of the skull（与）前额（有关）的; （与）头盖骨前部（有关）的：
the frontal sinuses.
额窦。
派生词
frontally
adverb词源
mid 17th cent. （in the sense 'relating to the forehead'）： from modern Latin frontalis, from Latin frons， front- 'front, forehead'.