Whales are the largest mammals in the ocean, while elephants are the largest mammals on land.

鯨魚是海洋中最大的哺乳動物，而大象則是陸地上最大的哺乳動物。

Fossils help scientists understand the history of life on Earth.

化石幫助科學家了解地球上生命的歷史。

The gray wolf is widely recognized as the ancestor of all domestic dog breeds.

灰狼普遍被認為是所有家犬品種的祖先。

I need to download the latest version of the software for my project.

我需要為我的專案下載最新版本的軟體。

The tribe still uses primitive tools made of stone and wood.

這個部落仍使用由石頭和木頭製成的原始工具。

Ally resembles her mother in both appearance and personality.

愛麗在外表和個性上都和她媽媽很像。

The difference between the two colors is barely noticeable to the naked eye.

這兩個顏色的差異用肉眼幾乎看不出來。

These plants are well adapted to living in dry, desert conditions.

這些植物非常適應在乾燥的沙漠環境中生長。

The forest was so dense that it was difficult to see more than a few feet ahead.

森林十分茂密，以致於很難看到前面幾英尺外的路。

Lions are powerful predators that hunt in groups.

獅子是強大的掠食者，會成群結隊捕獵。

The model wore a striking red dress that made her stand out at the event.

那名模特兒身穿一件醒目的紅色禮服，使她在活動中脫穎而出。

The bird's brown feathers help it blend in with the trees, which makes it hard to spot.

那隻鳥的棕色羽毛幫助牠與樹林融合，使其難以被看見。

Pollution is threatening the habitats of many creatures that live in the ocean.

汙染正在威脅許多海洋生物的棲息地。

Conservation programs aim to reduce the effects of human activities on the environment.

保育計畫旨在減少人類活動對環境的影響。