A2 · Elementary★★★★★
Simple Meaning
一种计算机文件类型，能精确显示文本和图片，且易于分享。
When to Use
💼Workplace English📚Academic Writing
Elementary — simple everyday language
Examples in Conversation
“你能把报告以PDF格式发给我吗？”
“我把食谱保存为PDF，以便稍后打印。”
Learning Path
▶Full Definition
Portable Document Format