科学素养与生活应用·英语30篇（3）
5 / 30
正在确认阅读权限…
What Makes a Bridge Strong
什么让桥梁坚固
-
Engineers design bridges to hold heavy weight.工程师设计桥梁以承载重载。
-
Strong materials like steel and concrete are used.使用钢材和混凝土等坚固材料。
-
Shape matters too — arches and triangles add strength.形状也很重要——拱形和三角形能增强强度。
-
Wind, water, and traffic all push on the bridge.风、水和车流都会对桥梁施加作用力。
-
Regular checks keep bridges safe for everyone.定期检查确保桥梁对所有人安全。
-
Some bridges bend a little but stay strong.有些桥梁会轻微弯曲，但仍保持坚固。
-
Good design prevents breaking or falling.优秀的设计可防止桥梁断裂或坍塌。
-
Science and math help engineers build safe bridges.科学与数学助力工程师建造安全桥梁。