frontal appendage

• 额突起(动)

frontal appendage的用法和样例：

例句

1. A bristlelike part or appendage,such as the awn of grains and grasses or the process near the tip of the antenna of certain flies.
   谷芒刺毛的部分或附属物，如谷物和草的芒状生长物或某种苍蝇触须附近的突起物。