“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。

youdao

Johnson is recovering from brain surgery.

约翰逊正在从脑部手术中恢复。

youdao

Though old and a little deaf, Dr. Johnson still had a good brain.

尽管老并且有一点耳聋，约翰逊医生的头脑很清楚。

youdao

The fragility of the Democrats' hold on the incoming American Senate was thrown into sharp focus when Senator Tim Johnson , from South Dakota, suffered a brain haemorrhage.

ECONOMIST: Politics this week | The

"Brain tumors happen to children all over the world, " said Derek Johnson, executive director of CURE Uganda.

CNN: U.S. medical 'trash' saving lives abroad