1.〈英〉疑惑;踌躇,拿不定主意
1.to hesitate or be indecisive
1.a state of hesitation or indecision
1.Swithers stops short of saying that the animals in her study were compelled to overeat to compensate for phantom calories.
Swithers不再说在她的研究里,动物们被迫过度进食以补充虚无的卡路里。
2.A possible reason, she suggested, is the failure of saccharin to raise the animals' core temperature as much as a caloric sweetener does.
SusanE.Swithers暗示其中一个可能的原因是:糖精令动物核心温度的提升程度不如含热量甜味剂。