释义 |
铅qiān 1.金属元素,符号Pb(plumbum)。银灰色,质软而重,延性弱,展性强,容易氧化。用来制合金、蓄电池、电缆的外皮等。{lead; plumbum(Pb); a heavy, soft bluish grey metallic element that is malleable plastic but inelastic, easily oxidized and used as a material for the making of alloys and batteries and sheathing cables} 2.铅笔心。{lead; thin rod of graphite in a pencil} ⇒铅yán |