單字卡學習系統
| 類別 Vocabulary
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Astrobiologists study how life might survive on Mars.
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Some astrobiologists look for microbes in space.
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We need a microscope to see microbes.
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Some microbes in the soil help plants grow.
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The scientists found a colony of ants in the garden.
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This island was once a British colony.
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The sensors on the door can detect movement.
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The robot uses light sensors to avoid walls.
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We wear special glasses to protect our eyes from the sun's radiation.
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The doctor used radiation to treat the illness.
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The rovers sent pictures of Mars back to Earth.
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The lunar rover looks like a small car.