atom
/ˈatəm/
B1 · Intermediate★★★★☆
Simple Meaning
物质中仍具有该物质性质的最小部分。
When to Use
📚Academic Writing📝Exam Vocabulary⚙️Technical
Intermediate — can handle common situations
Examples in Conversation
“我们周围的一切都是由原子构成的，甚至我们呼吸的空气也是。”
“我还是不太明白原子是如何工作的——它太小了！”
Learning Path
▶Full Definition
The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.