n.磅蛋糕

if you diet too strongly, it won't be long before you're laying prostrate on the couch, Sara Lee poundcake in one hand and a 20 ounce bottle of Mountain Dew in the other. 作者的意思是，如果節(jié)食過(guò)了頭，就會(huì)受不了，然后就會(huì)躺倒在沙發(fā)上，重新大吃大喝起來(lái)。從原文來(lái)看，沒(méi)有虛脫的意思，應(yīng)該是受不了節(jié)食的痛苦和美食的誘惑，而恢復(fù)原狀。