石炭系

shí tàn xì

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Definitions

1. carboniferous system
2. coal measure (geology)

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Child Words of 石炭系

• 系 系 xì: to connect
• 炭 炭 tàn: wood charcoal
• 系 系 jì: to tie
• 石 石 dàn: dry measure for grain equal to ten dou 斗[dǒu]; one hundred liters
• 石 石 shí: rock