rocket + noun
名词 rocket 可直接放在另一名词前作定语,表示“火箭的”,如 rocket engine、rocket launch。
The rocket engine failed during the test.
火箭发动机在测试中失灵了。
火箭；火箭弹
rockets — plural of rocket
火箭发动机；芝麻菜；飞燕草；比喻用法；抛射体
A vehicle or projectile that is propelled by a rocket engine.
抛射体
A projectile.
一种叶菜,属于芝麻菜属或芝麻菜种。
A leaf vegetable of species Eruca sativa or Eruca vesicaria.
由火箭发动机自我推进的任何载具
any vehicle self-propelled by a rocket engine
比喻用法
Figurative uses.
任何属于芝麻菜属的植物。
Any plant of the genus Eruca.
包含自身推进剂并通过反作用推进的喷气发动机
a jet engine containing its own propellant and driven by reaction propulsion
飞燕草(Consolida regalis,异名Delphinium consolida)。
Rocket larkspur (Consolida regalis, syn. Delphinium consolida).
一种直立的欧洲一年生植物,常作为沙拉作物种植,嫩时收获
erect European annual often grown as a salad crop to be harvested when young and tender
The rocket launched into the clear morning sky.
火箭发射入晴朗的晨空。
用法提示：rocket 是名词，指运载火箭；这里作主语。
Several rockets are waiting on the launch pad.
几枚火箭正在发射台上等待。
用法提示：rockets 是 rocket 的复数形式，名词，指多枚运载火箭。
We watched the rocket climb until it disappeared among the stars.
我们看着火箭攀升，直到它消失在星空中。
用法提示：rocket 是名词，指运载火箭；在句中作 watched 的宾语。
名词 rocket 可直接放在另一名词前作定语,表示“火箭的”,如 rocket engine、rocket launch。
The rocket engine failed during the test.
火箭发动机在测试中失灵了。
表示火箭飞往的目的地时,常用介词 to 引出地点。
They launched a rocket to the moon.
他们向月球发射了一枚火箭。
by rocket 表示交通方式,rocket 前不加冠词。
In the story, people travel to Mars by rocket.
在故事里,人们乘火箭前往火星。
grammar · medium
易错句子China launched rocket into space last year.
正确表达China launched a rocket into space last year.
英语可数名词单数形式前必须有限定词（冠词、指示词等）。汉语名词可以单独光用，没有冠词，所以学习者容易漏掉；这里泛指"一枚火箭"，要用不定冠词 a。
grammar · medium
易错句子Three rocket were launched from the site.
正确表达Three rockets were launched from the site.
英语可数名词与大于一的数词连用时必须用复数形式，句子的谓语也要跟着用复数。汉语名词没有单复数变化，容易忘记加 -s；rocket 的复数是 rockets，所以谓语用 were。
grammar · medium
易错句子They travelled to the moon by a rocket.
正确表达They travelled to the moon by rocket.
by 加交通工具表示"乘坐/借助某种方式"时，名词前不加冠词（如 by car、by plane、by rocket），因为强调的是一种方式，而不是具体某一件工具。汉语没有冠词，学习者常按"某件工具"的感觉多加 a。
发射火箭
The agency launched a rocket from the coastal site.
该机构从沿海发射场发射了一枚火箭。
火箭发动机
The rocket engine fired for two full minutes.
火箭发动机点火工作整整两分钟。
火箭燃料
The rocket fuel burns at extremely high temperatures.
火箭燃料在极高温度下燃烧。
太空火箭
A space rocket carried the satellite into orbit.
一枚太空火箭把卫星送入轨道。
火箭科学；高深复杂的事
Learning to cook simple meals isn't rocket science.
学做几道简单的饭菜并不难。
Choose the next layer that will help you use rockets with more confidence.
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