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magnetic car
磁力小车 |
CN¥ 4.96 |
magnetic levitation
磁悬浮 |
CN¥ 6.74 |
magnetic levitation pen
磁悬浮笔 |
CN¥ 6.74 |
salvaging a sunken ship
打捞沉船 |
CN¥ 5.24 |
electric heating cutter
电热切割器 |
CN¥ 6.36 |
recoil cart
反冲小车 |
CN¥ 4.68 |
wind power generation
风力发电 |
CN¥ 10.1 |
wind direction
风力风向 |
CN¥ 4.68 |
crossfire
穿越火线 |
CN¥ 11.98 |
wind-powered car
风力小车 |
CN¥ 8.14 |
thermal expansion and contraction of solids
固体的热胀冷缩 |
CN¥ 3.65 |
traffic light
红绿灯 |
CN¥ 7.57 |
pulley dynamometer
滑轮测力计 |
CN¥ 7.01 |
the singing rubber band
会唱歌的橡皮筋 |
CN¥ 4.49 |
volcanic eruption
火山爆发 |
CN¥ 4.86 |
robotic arm
机械手 |
CN¥ 4.77 |
simple fan
简易风扇 |
CN¥ 6.08 |
simple water purifier
简易净水器 |
CN¥ 5.43 |
dinosaur fossil
恐龙化石 |
CN¥ 6.74 |
connected vessels
连通器 |
CN¥ 9.16 |
well with a well wheel
辘轳井 |
CN¥ 5.51 |
magdeburg hemispheres
马德堡半球 |
CN¥ 7.3 |
friction and mechanical advantage
摩擦力与省力 |
CN¥ 6.45 |
homemade panpipe
自制排箫 |
CN¥ 4.21 |
colorful music bottle
七彩音乐瓶 |
CN¥ 5.43 |
balloon helicopter
气球直升机 |
CN¥ 2.71 |
the thermal expansion and contraction of gases
气体的热胀冷缩 |
CN¥ 3.93 |
submarine
潜水艇 |
CN¥ 4.59 |
periscope
潜望镜 |
CN¥ 8.04 |
human skeleton
人体骨骼 |
CN¥ 3.55 |
cognitive solar
认知太阳能 |
CN¥ 8.23 |
sundial
日晷 |
CN¥ 6.36 |
lifting platform
升降台 |
CN¥ 12.63 |
amphibious vehicle
水陆两栖车 |
CN¥ 8.04 |
water compass
水上指南针 |
CN¥ 3.28 |
the altitude of the sun
太阳的高度 |
CN¥ 5.32 |
balance scale
天平秤 |
CN¥ 8.04 |
leap frog
跳跳蛙 |
CN¥ 3.65 |
table lamp
小台灯 |
CN¥ 5.7 |
a ball that can’t be blown open
吹不开的球 |
CN¥ 6.74 |
the light bulb lit up.
灯泡亮了 |
CN¥ 5.15 |
earthquake alarm apparatus
地震报警仪 |
CN¥ 10.1 |
homemade clock
自制钟表 |
CN¥ 4.59 |
homemade hourglass
自制沙漏 |
CN¥ 3.65 |
homemade chiaroscuro lamp
自制明暗灯 |
CN¥ 6.08 |
homemade motor
自制电机 |
CN¥ 12.63 |
steamboat
蒸汽船 |
CN¥ 5.05 |
balance
找平衡 |
CN¥ 4.86 |
the cause of lunar phases
月相成因 |
CN¥ 6.08 |
the little frog has grown up.
小青蛙长大了 |
CN¥ 4.21 |








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