... iron ion 铁离子 iron length铁心长度 ironless 无铁心的,无铁的 ...
双语例句
1
On his back was a sack of acorn. In his hand was a four-foot length of iron pipe.
他背着一大袋橡子,手里拿着一根4英尺长的铁管。
2
With a capacity of 400,000 tonnes and measuring 362m in length and 65m in width, this goliath can carry twice as much iron ore as most vessels now plying the route between Brazil and China.