There are still two missing. 还少着2只

145. The ducklings are only twenty four hours old.
     小鸳鸯才24个小时大
146. It's a long drop, and a few calls of encouragement are required.
     要让它们从这么高的地方落下 妈妈鼓励的叫声是必须的
147. Two down seven to go.
     2只降落,还有7只
148. There are still two missing.
     还少着2只
149. All present and correct.
     如数到齐
150. But they won't be safe until they reach water
     在赶到水中之前它们还很不安全
151. and the forest pool is almost a mile away.
     林中的池塘还有1英里远呢

来自《行星地球 第一季 第十集 Planet Earth S01E10 季节森林》第 148 行