At lunch, pick a pita Use one mini whole-wheat pita instead of the usual two slices of white or refined wheat bread for your sandwich.
选皮塔饼:用全麦的皮塔饼来代替三明治里的白面或精面的面包.
The crackers are great with peanut butter, but you can also make mini-sandwiches out of them with cheese and sandwich meat for a quick mid-afternoon fix.
硬面饼放点花生酱很好吃，但你也可以用奶酪和夹心肉做成迷你三明治，来当你的午后快食。
When Keesha discovers mold on her sandwich, the class takes off on a tour of the mini microbe world, and they learn first hand that these little creatures can have HUGE effects.
姬莎在她的三明治上发现了霉菌，于是，全班同学在弗瑞斯老师的带领下开始了一次微生物世界之旅。
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