Diuretic
发表于 2025-3-28 18:35:27
http://reply.papertrans.cn/63/6256/625510/625510_41.png
数量
发表于 2025-3-28 21:47:09
WavesA wave is a travelling disturbance which carries energy away from its source. Some waves, such as light waves and radio waves, can pass through an evacuated or empty space. In this way we receive energy from the Sun and other more distant stars.
EXCEL
发表于 2025-3-29 02:47:08
RefractionA swimming pool viewed from a spring board vertically above its surface seems shallower than it really is; and to an observer looking across the pool from one side, it appears even shallower. The effect is caused by the refraction or bending of light.
代替
发表于 2025-3-29 05:49:53
http://reply.papertrans.cn/63/6256/625510/625510_44.png
KIN
发表于 2025-3-29 09:14:13
Machineslarge one, for example when a screwdriver is used to lever’ a lid off a tin. Sometimes a small movement is amplified into a large one, as in a bicycle when a small pedal movement results in a much larger movement of the bicycle along a road.
弯弯曲曲
发表于 2025-3-29 12:26:29
Reflections and Shadowsh a narrow slit in front of it, the light is easily seen where it falls on a surface, for example” a sheet of paper (Fig. 14.1). The bright line across the paper from the slit marks the path of the ray, which is a straight line.
高兴去去
发表于 2025-3-29 19:02:47
http://reply.papertrans.cn/63/6256/625510/625510_47.png
Induction
发表于 2025-3-29 23:13:35
Textbook 1986Latest editionar a substantial new chapter on electronics has been added. There are also more worked examples to make the book as helpful as possible to GCSE students. Mastering Physics provides concise, readable coverage of all the essential principles contained in GCSE physics courses.
镀金
发表于 2025-3-30 00:22:57
n particular a substantial new chapter on electronics has been added. There are also more worked examples to make the book as helpful as possible to GCSE students. Mastering Physics provides concise, readable coverage of all the essential principles contained in GCSE physics courses.
不溶解
发表于 2025-3-30 06:16:15
Macmillan Master Series (Science)http://image.papertrans.cn/m/image/625510.jpg