The most lucrative import is qat , a stimulating leaf chewed by somali men .
最赚钱的进口商品是阿拉伯茶,索马里人咀嚼这种叶子来提神。
He 'd just had the best birthday of his life - and yet - he chewed his hamburger , trying to find the words .
他刚刚得到了他这一生中最好的生日礼物但是,他嚼着汉堡包,想找出一些恰当的话语。
Volunteers who chewed gum for 15 minutes each hour between lunch and a snack consumed 60 fewer calories from sweets than when they went gum-free .
如果志愿者在午餐和下午零食时间段里每小时嚼15分钟口香糖,会比他们不嚼口香糖时要少摄入60卡热量。
It 's not technically a food , but a 2011 study found that people who chewed gum during a stressful task were more alert afterwards than when they did the task without gum .