單字卡學習系統
| 類別 Vocabulary
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Biomass is plant or animal material used for fuel.
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Burning biomass can generate heat and electricity.
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The sun is radiant, sending out rays of light.
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She had a radiant smile showing great happiness.
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We can harness the sun for its energy.
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The horse wore a leather harness with straps and belts.
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A photovoltaic cell makes electricity directly from sunlight.
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It uses special materials like silicon semiconductors.
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We need to assemble all the parts together to construct the machine.
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The teacher asked us to assemble in the gym.
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Drag is the force that acts opposite to an object's movement.
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He had to drag the heavy box across the floor.
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An optimized design works at its best performance.
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The team optimized the engine to reduce energy waste.
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The chassis frame is the base frame of a vehicle.
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It usually includes the wheels and engine.
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Aesthetics relates to the enjoyment or study of beauty.
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The car's design focuses on both aerodynamics and aesthetics.
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Aerodynamics is the study of how air moves around objects.
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Good aerodynamics helps cars go faster and use less fuel.