The leatherback accomplishes this by arranging the blood vessels in the base of its flipper into a countercurrent exchange system.
棱皮龟通过将鳍状肢底部的血管排列成逆流交换系统来完成这一过程。
2
By how much is unknown: even if Banks' borrowing costs are insensitive to their capital levels, shareholders may accept lower returns in exchange for the lower risk provided by a bigger equity base.