It's noticed the wriggling tadpoles at the bottom of the leaf. 它在叶子底部发现了正在蠕动的小蝌蚪们

225. the most recently laid, are barely a day old.
     是最近产下的 还不到一天大
226. But in the jungle, there's always someone out to get you.
     可是在丛林里 总有其它动物虎视眈眈
227. This wasp is a specialist hunter of frogs' eggs.
     这只黄蜂是捕食蛙卵的专家
228. It's noticed the wriggling tadpoles at the bottom of the leaf.
     它在叶子底部发现了正在蠕动的小蝌蚪们
229. He mustn't move.
     他决不能移动
230. The youngest eggs are the most vulnerable,
     刚产下的卵是最脆弱的
231. and he can't guard them all.
     他无法同时保护所有的卵

来自《行星地球 第二季 第三集 Planet Earth S02E03 丛林》第 228 行