They help her pinpoint prey hiding in the grass. 能精确定位草丛中猎物的藏身之处

141. She may be spotted like a cheetah, but this cat is no sprinter.
     她虽然形似猎豹 但这只猫并非短跑能手
142. Instead, she has extra-long legs which give her a high vantage point.
     相反 修长的四肢给予她独特的猎捕优势
143. But a serval cat's main weapon are enormous radar ears.
     不过薮猫最主要的武器 是她雷达般的双耳
144. They help her pinpoint prey hiding in the grass.
     能精确定位草丛中猎物的藏身之处
145. But the prey she seeks are canny.
     可是她的猎物十分机警
146. Southern vlei rats.
     非洲沟齿沼鼠
147. They know that any sustained movement can give them away.
     他们知道持续移动会暴露行踪

来自《行星地球 第二季 第五集 Planet Earth S02E05 草原》第 144 行