每日口說挑戰 瀕危的北美水獺 (Back from the Brink: The North American River Otter)

今日挑戰句子

Through reintroduction programs and the fur trade management, their populations have risen and stabilized.

透過歸放計畫和皮毛貿易管理，水獺的數量已增加並穩定了。