truss
/tɹʌs/
C1 · Advanced★★☆☆☆
Simple Meaning
用木头或金属制成的坚固框架，支撑屋顶或桥梁。
When to Use
⚙️Technical📚Academic Writing
Advanced — complex ideas, academic/professional
Examples in Conversation
“工程师检查了桁架，确保桥梁安全。”
“那座旧谷仓的屋顶由木桁架支撑。”
Learning Path
▶Full Definition
A bandage and belt used to hold a hernia in place.