林悠悠 发表于 2014-2-20 22:29
额,我想问的是……as do their younger siblings。是指它的兄弟姐们们也一样咩?应该没有谁比谁多的这个 ...
firstborn infant monkeys produce up to twice as much of the hormone cortisol, which primes the body for increased activity levels, as do their younger siblings.
把定语从句去掉
firstborn infant monkeys produce up to twice as much of the hormone cortisol as do their younger siblings.