Four flexible wings, 四片灵活的翅膀

153. the ultimate flying insects first appeared back in the ancient swamps.
     最终能够飞行的昆虫 最早出现在古代沼泽中
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

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 156 行