资讯
Objectives: The objective of this activity is to construct a functional solar-powered oven using a limited number of supplies and a pizza box. A1. In groups of 2, ask students to think of a way one ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果