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demonstrator

/ˈdɛmənstɹeɪtə(ɹ)/

Meanings
noun

示威者，论证者

One who demonstrates anything, or proves beyond doubt.

Examples :

"The science teacher was a skilled demonstrator, proving the laws of motion to the class beyond any doubt. "
这位科学老师是一位出色的论证者，他向同学们无可辩驳地证明了运动定律。
person politics action job

Related Words

Illustration particularly

particularly adverb

/pəˈtɪkjəli/ /pəˈtɪkjəlɚli/

尤其，特别，格外。

"The apéritifs were particularly stimulating."

这些餐前酒尤其令人兴奋。

Illustration protester

protester noun

/pɹəˈtestəɹ/

抗议者，示威者

"The protesters thronged Trafalgar Square and sang anti-war songs."

抗议者们涌入特拉法加广场，高唱反战歌曲。

Illustration experiments

experiments noun

/ɪkˈspɛɹ.ɪ.mənts/

实验，试验

"The students conducted several experiments in the science lab to test their theory about plant growth. "

学生们在科学实验室里做了几个实验，来验证他们关于植物生长的理论。

Illustration customers

customers noun

/ˈkʌstəməz/ /ˈkʌstəmɚz/

顾客，客户

"Every person who passes by is a potential customer."

每个路过的人都可能是潜在的顾客。

Illustration environment

environment noun

/-mɪnt/

环境，周围环境。

"The noisy environment of the school cafeteria made it difficult to concentrate on my homework. "

学校食堂嘈杂的环境让人很难集中精力做作业。

Illustration demonstrations

demonstrations noun

/dɛmənˈstɹeɪʃənz/

示威，游行示威

"The science teacher used demonstrations to show how chemical reactions work. "

这位科学老师用演示实验来展示化学反应的原理。

Illustration demonstrates

demonstrates verb

/ˈdɛmənˌstreɪts/ /ˈdɛmənstreɪts/

演示，示范

"Can you demonstrate the new tools for us?"

你能给我们演示一下这些新工具怎么用吗？

Illustration demonstrators

demonstrators noun

/ˈdɛmənˌstreɪtərz/ /ˈdɛmənˌstreɪɾərz/

示威者，游行者

"Sentence: "The science teacher praised the students who were excellent demonstrators of how the volcano model worked; their explanation left no doubt in anyone's mind." "

这位科学老师表扬了那些把火山模型工作原理演示得非常出色的学生；他们的解释让大家毫无疑问地理解了。

Illustration dealership

dealership noun

/ˈdiːləʃɪp/

经销商，代理店

"I visited the car dealership today."

今天我去了汽车经销商那里。

Illustration demonstration

demonstration noun

/dɛmənˈstɹeɪʃən/

演示，示范

"The teacher gave a demonstration of how to solve quadratic equations. "

老师演示了如何解二次方程。

Illustration smoothies

smoothies noun

/ˈsmuːðiz/

花言巧语的人，油嘴滑舌的人。

""Be careful of the smoothies trying to sell you fake tickets outside the concert; they're good at talking but they're lying." "

小心在演唱会外面那些想卖给你假票的油嘴滑舌的人；他们很会说话，但他们说的都是谎话。

Illustration forefinger

forefinger noun

/ˈfɔːˌfɪŋ.ɡə/ /ˈfɔɹˌfɪŋ.ɡɚ/

食指, 指示指.

"He used his forefinger to point to the word in the textbook. "

他用食指指着课本上的那个词。