iGCSE物理中英文精讲 - 运动和力 Forces and Motion
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iGCSE物理中英文精讲 - 动量 Momentum and Impact
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iGCSE物理中英文精讲 - 磁学与电磁学（一）Magnetism & Electromagnetism Part 1
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iGCSE化学中英文精讲 - CH1&CH2 States of matter, Elements, Compounds and Mixtures
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iGCSE物理中英文精讲 - 固液气 Solids, Liquids and Gases
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【爱德思 物理 unit 1】kinematics - projectile motion
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iGCSE物理中英文精讲 - 磁学与电磁学（二）Magnetism & Electromagnetism Part 2
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iGCSE物理中英文精讲 - 波（一） Waves Part 1
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iGCSE物理中英文精讲 - 力矩 Moment and Centre of Mass
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iGCSE物理中英文精讲 - 功与能量 Work, Energy, Power and Electricity Generation
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iGCSE物理中英文精讲 - 磁学与电磁学（五）Magnetism & Electromagnetism Part 5 Transformer
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iGCSE物理中英文精讲 - 电学与电路计算（一）Electricity and Circuit Calculation Part 1
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iGCSE物理中英文精讲 - 磁学与电磁学（四）Magnetism & Electromagnetism Part 4
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iGCSE物理中英文精讲 - 电学练习课 Electricity and Circuit Calculation Practice
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iGCSE物理中英文精讲 - 电学与电路计算（二）Electricity and Circuit Calculation Part 2
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AS物理中英文精讲 - Waves Part I (Wave Properties and Effects)
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iGCSE物理中英文精讲 - 粒子与辐射（一）Radioactivity Part 1
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iGCSE化学中英文精讲 - CH14&CH15 Reactivity Series, Extraction and Uses of Metals
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iGCSE物理中英文精讲 - 胡克定律 Hooke’s Law and Rule of Thumb for Experiment Questions
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iGCSE化学中英文精讲 - CH7&CH8&CH9 Ionic Bonding, Covalent Bonding, Metallic Bonding
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iGCSE化学中英文精讲 - CH10 Electrolysis
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AS物理中英文精讲 - Waves Part II (Stationary Wave)
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iGCSE化学中英文精讲 - CH5 Chemical Formulae, Equations and Calculations PART I
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iGCSE化学中英文精讲 - CH6 Chemical Formulae, Equations and Calculations PART II
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iGCSE化学中英文精讲 - CH11 The Alkali Metals
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iGCSE物理中英文精讲 - 天体物理 Astrophysics
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iGCSE化学中英文精讲 - 有机化学（二）Organic Chemistry Part 2
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iGCSE化学中英文精讲 - CH16&CH17 Acids, Alkalis, Bases and Salt Preparations 酸碱盐
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iGCSE化学中英文精讲 - 有机化学（四）Organic Chemistry Part 4
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iGCSE物理中英文精讲 - 气体压强 Pressure & Gas Laws
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iGCSE物理中英文精讲 - 粒子与辐射（二）Radioactivity Part 2
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iGCSE化学中英文精讲 - CH3&CH4 Atomic Structure and the Periodic Table
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【CIE A-level 数学】力学M1精讲 - Work, Energy and Power 习题课
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【CIE A-level 数学】力学M1精讲 - Work, Energy and Power
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iGCSE物理中英文精讲 - 磁学与电磁学（三）Magnetism & Electromagnetism Part 3
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iGCSE化学中英文精讲 CH16&CH17 Acids, Alkalis, Bases and Salt Preparations
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AS物理中英文精讲 - Optics Part I (Diffraction and Interference)
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iGCSE物理中英文精讲 - 电学与电路计算（三）Electricity and Circuit Calculation Part 3 Charge
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iGCSE化学中英文精讲 - 有机化学（一）Organic Chemistry Part 1
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iGCSE化学中英文精讲 - CH18 Chemical Tests
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iGCSE物理中英文精讲 - 压强与密度 Pressure and Density