geotropism的音標為：[?d?i???tr??p?z?m]，翻譯為“向地性”。

速記技巧：向地（geo）的motism（動向）

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Geotropism 是指植物對地球重力的反應和定向的趨向。這個詞源于希臘語 "geo-"（土地或地球）和 "tropism"（趨向或旋轉）。

變化形式：詞形一般不發生變化，常作為形容詞使用。

相關單詞：

1. gravitropism（重力趨向性）：指植物對地球重力的反應，即植物在重力的作用下進行生長和分布。

2. rooting（根性）：指植物根系的特性，即植物對環境的適應性和對環境的反應。

3. gravitaxis（重力定向）：指生物體在重力作用下的定向行為，包括植物、動物和微生物等。

4. gravitropic（重力趨向性的）：指受到重力影響的植物器官或植物整體在重力作用下的生長和分布。

5. gravitropism（重力旋轉）：指植物在重力作用下的旋轉生長現象。

6. rootward（向根方向）：表示朝向根部的方向，常用于描述植物生長的方向。

7. downward（向下的）：表示朝向地球重力的方向，常用于描述植物生長的方向。

8. root-induced（根誘導的）：指受到根系影響的生長和發育過程。

9. gravitropic response（重力趨向性反應）：指植物對重力的反應和適應，包括生長、分布和形態等方面的變化。

10. gravity-sensing（重力感應）：指生物體對重力的感知和響應，包括對生長、分布和形態等方面的調控。

geotropism常用短語：

1. phototropism 趨光性

2. gravitropism 趨重性

3. chemotropism 趨化性

4. thermotropism 趨熱性

5. mechanotropism 趨震性

例句：

1. The plant exhibits phototropism, moving towards the light.

2. The seedling demonstrates gravitropism, bending towards the ground when placed on its side.

3. The insect exhibits chemotropism, following the scent of its prey.

4. The plant responds to temperature gradients, exhibiting thermotropism.

5. The plant reacts to mechanical stimuli, demonstrating mechanotropism.

英文小作文：

Title: The Mystery of Plant Movement

Plants have the ability to move in response to various stimuli, whether it be light, gravity, chemicals, temperature, or mechanical forces. This phenomenon is known as geotropism, and it allows plants to adapt to their environment and seek out resources such as water and sunlight.

For instance, when placed on its side, seedlings will bend towards the ground in response to gravitropism, indicating that they are seeking stability and support. Similarly, plants exhibit phototropism, moving towards the light to absorb more sunlight for photosynthesis. Chemotropism refers to an insect"s tendency to follow the scent of its prey, and plants can also exhibit this behavior through their response to chemicals in the soil or air.

These responses allow plants to survive in a constantly changing environment and to compete with other plants for resources. Understanding geotropism can help us better understand how plants interact with their environment and can even be applied to human technology, such as robotics and artificial intelligence, to make them more responsive to their surroundings.