梅吉尔和他的同事希望能利用这种机器来研究海岸边的海洋生物，因为在这里，螺旋桨会激起较多沉积物，而且会跟水草缠绕在一起。
Megill and colleagues hope the bot can be used to study Marine life near the shore, where a propeller would kick up too much sediment or get tangled in weeds.
水包围着我，也包围着我的灵魂，水在深处四合，水草缠绕在我的头上。
The waters encompassed me, even to my soul, the depths closed round about, and weeds were wrapped about my head
我们生活在同一个温暖的水域，也许偶尔会被水草缠绕，但因为彼此温暖的呼吸，相信都不会是死结。
We live in the same warm waters, may occasionally be the wound, but because each other warm breath, that is not a knot.
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