The drug works by increasing levels of serotonin in the brain.这种药物通过提高大脑中血清素的含量来产生疗效。The chemical floods the synapse, overwhelming the serotonin receptors.这种化学物质湮没了突触, 覆盖了5—羟色胺的受体.In man, the local effects of serotonin a...
然而婚姻是一块感情跷跷板。Marriage, however, is an emotional seesaw.今年的价格像跷跷板一样时涨时跌.Prices have gone up and down like a seesaw this year.孩子们在玩跷跷板.The children are playing at seesaw....
A supernova sprays space with many different elements.超新星会向宇宙放射不同种类的元素。At least one supernova occurs per decade in our galaxy.在我们的星系中每 10 年至少有一颗超新星出现。The ejected mass then probably becomes the observed material of a supe...