flatworms的音標是[?fl?tw??rz]，基本翻譯是“扁蟲”或“線蟲”，速記技巧可以是“f拉w魚”或“flat(扁)wor(線)”。

Flatworms的英文詞源是拉丁語“planus” (平坦的) 和“organus” (器官) 組合而成，表示扁平的、有組織的生物。

變化形式：復數形式“flatworms”或“plansworms”；動詞形式“flatuswormin”表示“使扁平或蠕蟲狀”。

相關單詞：

“platyhelminth”是flatworm的一種，意為扁平線蟲，常用于醫學領域，如寄生蟲感染。

“planula”意為幼蟲或浮游幼蟲，通常指flatworm的幼蟲階段。

“planaemia”意為扁平細胞性貧血，指的是由于flatworm寄生引起的血液系統疾病。

“planaortic”意為扁平動脈的，常用于描述flatworm寄生引起的血管病變。

“plasmodium”是瘧原蟲的學名，瘧原蟲是一種常見的flatworm寄生蟲，與瘧疾有關。

“parasitism”意為寄生生活，指的是flatworm寄生在其他生物體上的生活方式。

“parasite”意為寄生蟲，通常指flatworm等寄生生物。

“flukes”是flatworms的一種，意為吸蟲，常用于醫學領域。

“liverworm”是flatworms的一種，意為肝吸蟲，是一種常見的寄生蟲病。

Flatworms在生物學中是一種非常常見的類群，它們可以寄生在其他生物體上，引起各種疾病。了解flatworms的詞源、變化形式和相關單詞有助于更好地理解其生物學特征和相關疾病。

常用短語：

1. flatworms are slender creatures with a flat, ribbon-like shape.

2. flatworms are found in freshwater and marine environments.

3. flatworms are filter feeders that filter water for food particles.

4. flatworms can reproduce sexually or asexually.

5. flatworms have a complex nervous system and can move quickly.

6. flatworms are often used as model organisms in research.

7. flatworms are an important part of the ecosystem and play a role in recycling nutrients.

雙語例句：

1. Flatworms are slender creatures that filter feed in streams and rivers. (英語/中文)

2. Sexual reproduction is common among flatworms, which can produce new individuals through mating. (英語/中文)

3. Flatworms are often found in marine environments, where they filter feed on plankton and other small organisms. (英語/西班牙語)

4. Flatworms have a highly developed nervous system that allows them to move quickly and adapt to their environment. (中文/英文)

5. Flatworms are commonly used as model organisms in scientific research, where they provide insights into the evolution of complex life forms. (中文/英文)

6. Flatworms play a crucial role in recycling nutrients in ecosystems, contributing to the overall health of the environment. (英文/中文)

英文小作文：

Flatworms are fascinating creatures that play an important role in ecosystems around the world. They have a unique way of feeding, filtering water for food particles, and they have a highly developed nervous system that allows them to move quickly and adapt to their environment. As model organisms in scientific research, flatworms have provided valuable insights into the evolution of complex life forms and the role of ecosystems in recycling nutrients. I wonder what kind of world these flatworms live in and what kind of role they play in it? I hope we can learn more about them and understand their importance in our planet"s biodiversity.