本來每年會有很多海龜上岸產卵，但因為最近幾年人類製造許多垃圾，所以已經

本來每年會有很多海龜上岸產卵，但因為最近幾年人類製造許多垃圾，所以已經很久沒看到海龜上岸產卵了

結果 (英文) 1:

Would have had a lot of sea turtles come ashore to lay eggs every year, but because many human-made trash in recent years, it has been a long time did not see the sea turtles come ashore to lay eggs

結果 (英文) 2:

There used to be a lot of sea turtles coming ashore each year to lay their eggs, but because humans have made a lot of rubbish in recent years, they haven't seen them come ashore for a long time.

結果 (英文) 3:

Many turtles would come ashore to lay their eggs every year, but in recent years, human beings have made a lot of rubbish, so they haven't been seen for a long time