Traditional display

铅垂线

qiān chuí xiàn

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Definitions

1. plumbline

Child Words of 铅垂线

• 垂 垂 chuí: to hang (down)
• 线 线 xiàn: thread
• 铅 铅 qiān: lead (chemistry)
• 垂线 垂线 chuí xiàn: (math.) perpendicular line