helicopter
UK
US
Paraphrase
分析词义
"Helicopter"是一个名词,意为“直升机”。它是一种常用的飞行器,能够垂直起降,也可以悬停在空中。
列举例句
词根分析
"Helicopter"由两个源自古希腊语的词根构成,分别是"helico"(旋转的)和"pter"(翼)。所以,它的字面意思就是"旋转的翼"。
###词缀分析关于"helicopter"的词缀分析,我们可以看到前缀是"helico-",这是从希腊语借用的,表示"旋转的",而后缀"-pter"是"翼"的意思。
发展历史和文化背景
"Helicopter"这个词源于19世纪,当时的科学家用这个词来形容他们设计的带有旋转翼片的未来飞行器。然而,直到20世纪50年代,直升机才在商业和军事领域中广泛被应用。
单词变形
- 固定搭配:"helicopter pilot"(直升机飞行员)
- 组词:"helicopter pad"(直升机停机坪)
记忆辅助
想象一部旋翼在头顶旋转的直升机,它像一顶旋转的帽子挡住了头顶的阳光。阳光的形状和旋翼是一样的 - helical。这个画面有助于你记住单词"helicopter"。
小故事
Tom's dream was to ride a helicopter. Finally, on his birthday, his friends surprised him with a helicopter tour over the city.
汤姆的梦想是乘坐直升机。终于,在他的生日那天,他的朋友们给他一个惊喜,带他乘直升机游览了整个城市。
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