我们这一周学到了什么？
What Are We Learning This Week?
建筑工人们在工作的时候，需要用到特殊的工具和机器。
Builders use special tools and machines to do their job.
本周的问题
This Week’s Big Questions
跟我讲一讲，当建筑工人们在工地里面工作的时候用到的不同的机器。
Tell me about the different machines construction workers use at a construction site.
家庭活动
Fun at Home
现在把自己想像成一位工程师，请为你的社区画或者设计一个大楼。跟我讲一讲你刚刚设计的这个大楼。
Pretend to be an engineer and draw or design a building for your community. Tell me about the building you designed.
我们本周的单词
Show Me! Our Words of the Week
说 / Say It:
工程师 / Engineer
解释 / Explain It:
工程师的工作包括规划并设计大楼，系统，和机器。
An engineer is a person whose job is to plan and design buildings, systems, or machines.
说一说 / Talk About It:
跟我说一说工程师们在建筑工地里面的工作。
Tell me about an engineer’s job on a construction site.
说 / Say It:
推土机 / Bulldozer
解释 / Explain It:
推土机是一种机器，它的车头有一个很大的片，用来推动或者举起来土壤或者岩石。
A bulldozer is a machine with a large blade attached to the front that pushes or lifts soil or rocks.
说一说 / Talk About It:
在工地里面，建筑工人为什么需要用到推土机呢？推土机能帮他们做什么事情呢？
Why would a worker at a construction site use a bulldozer? What could a bulldozer help them do?
说 / Say It:
起重机 / Crane
解释 / Explain It:
起重机是一种机器，它们有一个高臂，能上下移动或者绕圈移动来举起和移动重物。
A crane is a machine with a tall arm that can move up and down or around in circles to lift and move heavy objects.
说一说 / Talk About It:
在建筑工地里面，建筑工人为什么要使用起重机呢？起重机能帮助他们做什么事情？
Why would a worker at a construction site use a crane? What could a crane help them do?