标题: 各位大侠。这句话是个什么从句啊，多谢啦 [打印本页] 作者: soonhow 时间: 2015-8-2 02:31 标题: 各位大侠。这句话是个什么从句啊，多谢啦 rats ate meals that change tryptophan level in the blood. 作者: soonhow 时间: 2015-8-2 02:35
原句是：
Our first studies sought to determine whether the increase in serotonin observed in rats given a large injection of the amino acid tryptophan might also occur after rats ate meals that change tryptophan level in the blood.
