demonstrate /ˈdɛmənˌstreɪt/ verb demonstrates; demonstrated; demonstrating
demonstrates; demonstrated; demonstrating
Learner's definition of DEMONSTRATE
1 [+ object]
a : to prove (something) by showing examples of it : to show evidence of (something)证明;证实;论证 -
Each student must demonstrate mastery of the subject matter in order to pass the class.每个学生都必须证明自己掌握了这门专业知识才能通过课程考核。
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Employees must demonstrate competence in certain skills before they can work independently.员工必须证明自己具备某些技能才能独立工作。
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The medication will not be marketed until it is demonstrated to be safe.这种药物在被证实安全之前,将不会投入市场。
b : to prove (something) by being an example of it : to be evidence of (something)表明;说明;显示 -
The town's crowded classrooms demonstrate [=point to] the need for more schools in the area.小镇拥挤的教室表明这一地区需要更多的学校。
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The latest test results clearly demonstrate that the vaccine works.最新实验结果明确显示,这种疫苗有效。
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The group's failed efforts demonstrate how difficult it is to convince people to change their habits.这个组织失败的尝试表明,说服人们去改变习惯是多么困难。
2
[+ object] : to show (a quality, feeling, etc.) clearly to other people表明,表示(特性、情感等) 3
[+ object] : to show or explain how something is used or done : to show or explain the function or use of (something)示范;演示 -
Several people will be demonstrating traditional farming techniques.几个人将演示传统的农耕技术。
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The instructor demonstrated the correct procedure for pruning a tree.指导者演示了修剪树木的正确步骤。
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Would you mind demonstrating how the machine works?您能演示一下这台机器是如何运作的吗?
4
[no object] : to take part in an event in which people gather together in order to show that they support or oppose something or someone示威游行