英语语法分析

Sugar, however, blocked the release of orexin.

糖类则会阻碍促食素的释放。

The scientists also found a link with orexin, a protein involved in regulating the sleep cycle.

科学家发现一种名为增食欲素(orexin)的蛋白质与调节睡眠周期有关。

“Orexin is produced in only one part of the brain, the dorsomedial-perifornical hypothalamus, ” said Johnson.

Orexin是只是大脑一部分所产生的物质，在背内侧，下丘脑穹窿周围。 Johnson说。