tentacle
US /ˈten.t̬ə.kəl/
UK /ˈten.t̬ə.kəl/

1.
2.
延伸部分, 分支
a long, thin projection or part, especially one that is flexible or capable of movement.
:
•
The roots of the plant spread like tentacles through the soil.
植物的根像触手一样在土壤中蔓延。
•
The city's influence extended its tentacles into the surrounding regions.
城市的影响力像触手一样延伸到周边地区。