如果我们受到良好的训练，水下部分的事情可能就不会真的像你想像的那么严酷。
If we are well trained, the underwater part of things is not really as harsh as you might think.
进行这类研究的动物需要经过良好的训练，要值得信赖，顺从，同时还要有温和的脾气。
The animal has to be very well trained, reliable, obedient and have the right temperament.
但是，如果我们受到良好的训练，水下部分的事情可能就不会真的像你想像的那么严酷。
But, if we are well trained, the underwater part of things is not really as harsh as you might think.
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