Why not weigh that manatees?

为什么不称称那只海牛呢？

We're trying to save manatees!

我们正尽力挽救海牛！

We're trying to save the manatees.

我们设法拯救海牛。

We're trying to save the manatees!

我们正在设法拯救海牛！

There used to be a lot of manatees.

海牛的数量曾经很多。