ecto-

ecto的音标为["ekto]，基本意思是“外层，外胚层”，常指动物胚胎发育过程中的外胚层，也可指植物体表皮。

关于速记技巧，可以尝试将单词拆分记忆，并用相关联的词汇进行联想记忆。例如，可以将ecto拆分为“e”和“ct”，脑海中浮现出“电子枪”，从而联想到外胚层与生物发育过程的关系。此外，还可以通过多次重复单词发音来加强记忆效果。

Ecto-这个词源可以追溯到古希腊语中的“ek”表示“out of”或“from”和“to”以及“to”这个词尾，而“to”在这里表示“运动”或“变化”。

变化形式：在英语中，Ecto-通常用作前缀，表示“在原位”、“原位”、“原样”、“原状态”、“原物”、“原性质”等含义。

相关单词：

1. Ectomorph：这个单词表示“匀称的”、“瘦长型的”，源自Ecto-和“morph”（形状）组合而成。这个词的含义是指身体比例匀称、瘦长的人。

2. Ectopic：这个单词表示“异位的”、“位置不正常的”，源自Ecto-和“-pic”（异常的）组合而成。这个词的含义是指位置异常的器官或组织。

3. Ectoderm：这个单词表示“外胚层”，源自Ecto-和“ecto”（外部）组合而成。这个词是指生物体外部的胚胎组织。

4. Ectodinous：这个单词表示“外胚层的”，源自Ecto-和“-dinous”（属于某种组织的）组合而成。这个词的含义是指某种组织或器官属于外胚层。

5. Ectogenesis：这个单词表示“外因生殖”，源自Ecto-和“genesis”（起源）组合而成。这个词的含义是指某种生殖方式或现象是由外部因素引起的。

以上这些单词都与Ecto-这个词源有着密切的关系，并且涵盖了生物学、医学、形态学等多个领域。

Ecto-常用短语：

1. ecto-biology: 人体生物学

2. ecto-dermis: 表皮真皮

3. ecto-dermal: 表皮真皮的

4. ectoplasm: 细胞外间质

5. ectoparasite: 外寄生虫

6. ectoparasitosis: 外寄生虫病

7. ectoparasitology: 外寄生虫学

双语例句：

1. The ecto-biologist studied the structure of the human skin and its relationship to health and disease. (人体生物学家研究皮肤的结构及其与健康和疾病的关系。)

2. The ecto-dermal layer is the first line of defense against external invaders. (表皮真皮层是抵御外部入侵者的第一道防线。)

3. Ectoplasm is a substance that is found in the cell wall of some parasites and is used for attachment and feeding. (细胞外间质是某些寄生虫在细胞壁中发现的一种物质，用于附着和摄食。)

4. Ectoparasites such as ticks and fleas can cause serious health problems for pets. (外寄生虫如蜱和跳蚤会引起宠物严重的健康问题。)

5. Ectoparasitology is the study of parasites that live outside the body. (外寄生虫学是研究生活在体外寄生虫的学科。)

6. The ecto-dermal system is responsible for maintaining the body"s temperature and regulating moisture levels. (表皮真皮系统负责维持身体温度和调节水分水平。)

7. Ecto-biotechnology is a rapidly growing field that involves the manipulation of cells and tissues outside the body for therapeutic purposes. (人体生物技术是一个快速增长的领域，涉及为治疗目的而操纵细胞和组织。)

英文小作文：

Ecto-biology is the study of life processes that occur outside the body, including the structure and function of the skin, hair, nails, and other external tissues. It is an interdisciplinary field that draws from biology, chemistry, and medicine to understand how these tissues interact with the environment and each other to maintain health and function.

One of the most important aspects of ecto-biology is the role of the skin as a barrier against external invaders, such as bacteria, viruses, and parasites. The ecto-dermal system, which includes the epidermis and dermis layers, plays a crucial role in maintaining body temperature and regulating moisture levels, while also providing a habitat for a variety of microorganisms that are essential for maintaining a healthy immune system.

Ecto-biotechnology, which involves the manipulation of cells and tissues outside the body for therapeutic purposes, has opened up new avenues for treating diseases and enhancing human health. From tissue engineering to regenerative medicine, ecto-biotechnology has the potential to revolutionize medical care and improve outcomes for patients.

In conclusion, ecto-biology and ecto-biotechnology are essential fields that contribute to our understanding of human health and well-being. By further exploring this area of research, we can improve our understanding of how we interact with our environment and develop new treatments and interventions that will benefit future generations.