If Tilikum were moved to a sea pen (ideally in Iceland, where he too was captured, in 1983), he would be stimulated enough even without direct contact with his caretakers.

如果Tilikum能够被移到海洋中进行驯养(最理想的是在它于1983年被捕获的冰岛)，即使没有跟驯养员的直接接触它也会活跃起来。

youdao

Tilikum has spent more than a quarter of a century swimming in circles, in a space that critics say would be equivalent to keeping a human being in a bathtub.

CNN: Free the killer whale

SeaWorld needs to stop using Tilikum to breed.

CNN: Free the killer whale

Brazil and Chile are just two countries that have created huge coastal sanctuaries, some running thousands of miles, where whales like Tilikum can return to an active life, one in which they can frolic and explore.

CNN: Free the killer whale