hemisphere

hemisphere的音标是[ˈhemiˌspeər]，意思是半球。速记技巧是将其分为几个部分来记忆，例如可以将其分为he、mi、sphere，并尝试将其与一些熟悉的单词进行联想，以便更好地记住这个单词。

Hemisphere这个词的词源可以追溯到拉丁语hemisphaerium，意为半球。它最初被引入英语是在17世纪，用来描述大脑的半球。

变化形式：复数形式hemispheres，过去式形式hemispheried，现在分词形式hemisphere。

相关单词：

1. hemisphere（半球）- 指大脑的两个半球，也泛指地球或其他天体的一半。

2. mid-hemisphere（中半球）- 指大脑中间的两个半球之间的区域，可能与认知、语言和记忆等有关。

3. extrapersonal hemisphere（超个人半球）- 指大脑中与超个人体验和意识有关的区域。

4. frontal hemisphere（前半球）- 指大脑的前部半球，与语言、思维和决策等有关。

5. occipital hemisphere（后半球）- 指大脑的后部半球，与视觉处理和空间认知等有关。

6. temporal hemisphere（颞半球）- 指大脑的颞部半球，与记忆、情感和语言等有关。

7. lateralization（侧化）- 指大脑中不同功能区域在左右半球中的定位，如语言、视觉和听觉等。

8. hemispheric imbalance（半球不平衡）- 指大脑两个半球之间的功能失衡，可能与认知障碍、情绪问题和行为问题等有关。

9. hemispherectomy（半球切除术）- 是一种外科手术，用于治疗某些罕见的神经系统疾病，如肿瘤和癫痫等。

10. hemispherology（半球学）- 是一门研究大脑半球的学科，涉及大脑的结构、功能和疾病等方面。

常用短语：

1. upper hemisphere

2. lower hemisphere

3. northern hemisphere

4. southern hemisphere

5. front hemisphere

6. back hemisphere

7. central hemisphere

双语例句：

1. The Earth"s upper hemisphere is tilted towards the Sun.

2. The Earth"s magnetic field is generated in the southern hemisphere.

3. The front hemisphere of the brain controls language and speech.

4. The back hemisphere of the brain is responsible for logic and reasoning.

5. The central hemisphere controls coordination and balance.

6. The lower hemisphere is responsible for processing sensory information.

7. The northern hemisphere is home to many major cities and cultures.

英文小作文：

The Earth"s Hemispheres: A Journey Through Space and Time

The Earth"s upper and lower hemispheres are two vast yet interconnected realms, each with its own unique characteristics and challenges. The upper hemisphere is where we experience the most intense sunlight, while the lower hemisphere is home to the polar regions and the frozen landscape of the Arctic and Antarctic.

The northern hemisphere, with its temperate and tropical zones, is a hub of human activity, with cities, cultures, and economies thriving. Meanwhile, the southern hemisphere remains largely unexplored and mysterious, with its unique flora and fauna waiting to be discovered.

The magnetic field of the Earth is generated in the southern hemisphere, playing a crucial role in navigation and communication. The brain, too, is divided into two hemispheres, each controlling different functions such as language processing, reasoning, and coordination.

As we explore the Earth"s hemispheres, we are reminded of the interconnectedness of all things, and the beauty and complexity of life on our planet. From the sunny beaches of the upper hemisphere to the frozen tundra of the lower hemisphere, from the bustling cities of the northern hemisphere to the mysterious wilderness of the southern hemisphere, there is so much to discover and experience in our beautiful world.