英语语法问题:
Anyonewhogavemorethanapassingthoughttothebottomconfinesoftheoceansprobablyassumedthattheseabedwasflat.
请问:thebottomconfinesoftheoceans是什么语法、thebottom(which)confinesoftheoceans中间是不是省略了which?这个confines是动词还是名词?