新托福考试阅读练习资料：罐装食品
大多数人都知道，在挑选罐装食品时尽量避免挑到膨胀的那几罐，这其中包含了什么科学原理呢，我们的新托福考试阅读练习资料就会为大家进行解释。 Most of us are cautious eaters. If you’re munching grapes, you’ll probably skip one that’s all shriveled and discolored in favor of the round, healthy ones. Likewise, when you choose a can of food at the supermarket, you’ll likely choose one that’s exactly can-shaped, not one that’s misshapen and swollen. There's a good reason for this. A can of food can swell for two separate reasons. The first is what food scientists call “hy... [ 查看全文 ]新托福考试阅读练习资料：罐装食品的相关文章
