Extinct species的音標為：/?k?st??kt/，基本翻譯為“滅絕物種”，速記技巧為：滅絕=extinct。

Extinct species（滅絕物種）的英文詞源是“extinct”，意為“滅絕的”。它的變化形式包括比較級“more extinct”和最高級“most extinct”。相關單詞包括：

1. Extinction - 滅絕，指的是物種滅絕的過程。

2. Extinctions - 滅絕事件，指的是大規模物種滅絕的時期。

3. Extinctions of the past - 過去滅絕事件，指的是已經發生過的物種滅絕事件。

這些單詞可以用來描述生物多樣性和生態系統方面的知識，以及人類對地球歷史的理解。滅絕物種是一個重要的生態和環境問題，需要我們采取行動來保護現存的物種和生態系統。

常用短語：

1. Extinct species are those that have become completely unable to reproduce or survive.

2. The extinction of a species is caused by various factors such as habitat loss, climate change, human hunting, and disease.

3. The extinction of a species is a tragedy for the environment and biodiversity.

4. The extinction of a species can have far-reaching effects on the ecosystem and other species that depend on it.

5. The extinction of a species is a loss for science and knowledge.

6. The extinction of a species is a reminder of the fragility of life on Earth and the need to protect biodiversity.

7. Extinct species are often missed by conservation efforts, making it even more important to protect existing species and their habitats.

雙語例句：

1. The extinction of the passenger pigeon is a tragic reminder of the need to protect our planet"s biodiversity.

2. The loss of the Tasmanian tiger is a stark reminder of the importance of conservation efforts to protect endangered species.

3. The extinction of the dodo is a powerful reminder of the need to conserve our planet"s natural resources and biodiversity.

4. The extinction of many species is caused by human activities, making it even more important for us to take action to protect our environment and biodiversity.

5. The extinction of many species has led to changes in ecosystems and the rise of new species that have adapted to new environments.

6. Extinct species are often missed by conservation efforts, but they still have a role to play in our future as they represent a part of our planet"s history and biodiversity.

英文小作文：

Protecting Extinct Species: A Reminder of Our Planet"s Past and Future

Extinct species are often missed by conservation efforts, but they represent a part of our planet"s history and biodiversity that we must cherish and preserve for future generations. These species are reminders of our planet"s rich biodiversity and the need to protect our environment and natural resources.

The extinction of many species has led to changes in ecosystems and the rise of new species that have adapted to new environments. However, we must also recognize that extinction is not inevitable and that we can take action to protect existing species and their habitats. Conservation efforts must be increased to ensure that we do not lose any more species to extinction, while also promoting sustainable development practices that will ensure the long-term survival of all species on our planet.

In conclusion, extinct species remind us of our planet"s past and future, while also urging us to take action to protect our environment and biodiversity. We must ensure that we do not lose any more species, but rather work towards preserving our planet"s natural resources and biodiversity for future generations.