它们在游泳的任何时候，都不仅能左右、前后看，还能上下看。
At any time when they are swimming they can not only see from side to side, in front and behind but also above and below.
玻璃安装好后，调整玻璃上下、左右、前后缝隙的大小，拧紧玻璃夹将玻璃固定住。
The glass's upper and lower, right-and-left, front and back joints size shall be adjusted after the glass installation, and the glass clip will be screw down to fix the glass.
我认为那是个明显的优势——上下左右前后自由移动，甚至开出路外。
I think that's a clear advantage - just sort of being able to kind of move over and around and up and down and get out of the way.
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