independently controlled, 可以独♥立♥控制

154. Dragonflies.
     蜻蜓
155. Their flight is as close to perfect as it gets.
     它们的飞行几乎堪称完美
156. Four flexible wings,
     四片灵活的翅膀
157. independently controlled,
     可以独♥立♥控制
158. give them unparalleled mobility.
     使它们拥有无与伦比的机动性
159. They can fly in any direction,
     它们可以朝任何方向飞行
160. pull off the tightest turns...
     完成最急的转弯

来自《我们星球上的生命 第一季 第三集 Life on Our Planet S01E03 入侵大地》第 157 行