1.protect from = 受 (被) 保护
2.construction material = 建筑材料
3.come across(difficulity) = 遭遇、面对
4.how enjoyable it is = 那么令人愉快、(有趣、欢乐、开心)
5.turn out = 结果
6.evaluate/estimate = 估计
7.civilian = 民事
8.common sense/general knowledge = 普通常识
9.public consensus = 公众舆论 (一致意见)
10.analytical method = 分析方法
11.a computing machine = 计算机