A large proportion of the dolphins in that area will eventually die
那片区域里的很大一部分海豚终将死去。
Whales and dolphins are still being slaughtered for commercial gain.
仍然有人为了商业利益大肆捕杀鲸鱼和海豚。
Dolphins sometimes play in the wake of the boats.
有时海豚在船的尾流中嬉戏。
Dolphins have sometimes been known to save drowning swimmers.
据悉海豚有时会救溺水的游泳者。
Marine biologists are calling for Cardigan Bay to be created a marine nature reserve to protect the dolphins.
海洋生物学家号召将卡迪根湾建成一个海洋自然保护区，以保护那里的海豚。