This is the 98th most frequent Chinese word.
使用
"使用" means "to use" or "to make use of."
In this sentence, '使用' is used as a verb meaning 'to use,' indicating that the students are employing the dictionaries as tools to accomplish their task.
学生们常常使用词典来查找不熟悉的单词。
Students often use dictionaries to look up unfamiliar words.
Here, '使用' is again used as a verb signifying 'to use,' focusing on the correct way of using tools to achieve optimal results.
正确地使用工具能提高工作的效率。
Using tools correctly can improve work efficiency.
In this example, '使用' describes the application of a new method, denoting its function as 'to apply' in the specific context of a project.