陀螺

Pinyin: tuóluó
Meaning：Top; gyro
Sentence：那个男孩子在抽陀螺。The boy was spinning his top.

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陀：

Pinyin: tuó
Meaning: Declivity; steep bank
Radical: 阝
Stokes: 7
Traditional: 陀
Common words/Phrase:
陀螺仪 [tuóluóyí] 【gyro】

螺：

Pinyin: luó
Meaning: Snail; screw; spiral
Radical: 虫
Stokes: 17
Traditional: 螺
Common words/Phrase:
螺栓 [luóshuān] 【bolt】
螺丝 [luósī] 【thread of a screw】
螺纹 [luówén] 【screw thread】
螺母 [luómǔ] 【nut】
螺钉 [luódīng] 【screw nail】