Lesson 2: Complete the Mini Bridge Project – Side 2, Top, and Bottom
《第二课:完成迷你桥项目-第2面，顶部和底部》

Continuing from the previous lesson, students will complete the remaining sides of their “mini-bridge” and will assemble all the components to create a 3-dimensional structure.

继续从上一课，学生将完成他们的“迷你桥”的其余方面，并将组装所有的组件来创建一个三维结构。