关于”乐乐环境保护“的英语作文范文4篇，作文题目：Lele environmental protection。以下是关于乐乐环境保护的初中英语范文，每篇作文均为满分范文带翻译。

高分英语作文1：Lele environmental protection

Musical instrument is a kind of device which is constructed or modified. Its basic purpose is to make music. Anything that can produce sound and can be controlled by the player in a certain way can be expressed as an instrument, which is generally reserved for projects with specific musical purposes.

The academic research on musical instruments is called organ sound, that is, human voice. It is a kind of musical instrument. When the air flow from the lungs makes the vocal cords vibrate, singers produce sound.

The fundamental frequency is the formation of vocal cords and sound quality from the formation of the vocal tract. String instruments produce sound when the strings are plucked, played, tapped, etc. The frequency of the wave produced (and thus the note produced) is usually determined by the length of the vibrating part of the string, its linear density (mass per unit length of string, the tension of each string and the quality of the point at which the string is excited varies with the structure of the resonators, such as guitars, violins, and sittas.

中文翻译：

乐器是一种构造或改装的装置，其基本目的是制造音乐。任何能产生声音并能以某种方式被演奏者控制的东西，都可以作为一种乐器来表达，一般是为有特定音乐目的的项目而保留的。对乐器的学术研究称为器官学声音，也就是人声，是一种乐器，当来自肺部的气流使声带振动时，歌手产生声音，基频是由声带和音质由声道的形成而产生广泛的声音弦乐器在弦被拨动、弹弦、拍打等时产生声音。

产生的波的频率（因此产生的音符）通常取决于弦振动部分的长度，它的线性密度（每单位长度弦的质量每根弦的张力和弦被激发的点音质随共鸣腔的结构而变化，例如吉他、小提琴和西塔琴。

万能作文模板2：乐乐环保

Climate change at the earth scale has brought a new kind of natural disaster. The developed and complex urban system has the potential risk of man-made expansion of damage. People produce and use chemicals in large quantities in order to pursue convenience and various toxic substances, which have been damaging human health.

Substances are generated and accumulated in the environment unintentionally. We need to prevent urban environmental disasters and manage environmental protection From the perspective of environmental risk, a set of new risk management system and disaster prevention system should be formulated and improved to protect and create a comfortable and healthy urban environmental life (wwwmfy) ywcomhttp://wwmfyywcom/zuowen/gaozhong/html.

中文翻译：

地球尺度的气候变化带来了一种新的自然灾害，发达而复杂的城市体系存在人为扩大损害的潜在风险，人们为了追求方便和各种有毒物质而大量生产和使用化学品，已经在破坏人类的健康物质是无意中产生并积聚在环境中的，我们需要从预防城市环境灾害和管理环境风险的角度出发，制定和完善一套新的风险管理体系和防灾体系，以保护和创造人民安逸、健康的城市环境生活（wwwmfyywcomhttp://wwmfyywcom/zuowen/gaozhong/html。

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