But sometimes the pisonia trees are too successful. 但有时腺果藤树的策略过于成功

219. and equipped with hooks.
     带有倒钩的种子
220. By the time the young noddies leave,
     新一代黑燕鸥离巢的时候
221. they carry these hitchhiking seeds away to other islands.
     会带着这些搭顺风车的种子前往其它岛屿
222. But sometimes the pisonia trees are too successful.
     但有时腺果藤树的策略过于成功
223. If a fledgling, testing out its wings, drops to the ground,
     如果幼鸟在学习飞翔时跌落地面
224. it can get covered with the seeds.
     它身上会挂满这些种子
225. Entangled and weighed down,
     汁液粘腻 越粘越重

来自《行星地球 第二季 第一集 Planet Earth S02E01 岛屿》第 222 行