set feeler

例句：

1. 1.The scientist set a feeling thermometer to measure the temperature of the air.
   科学家设置了一支温度计来测量空气的温度。
2. 2.She set her sights on a new career path.
   她瞄准了一个新的职业道路。
3. 3. He set his sights on achieving success in his field.
   他瞄准了在他的领域内取得成功的目标。