Ferroboron
铁硼合金, 硼铁
🗣️ 情景例句
I see how people spend their leisure time--
我看到人们怎样利用闲暇时间
It is a good horse that never stumbles.
良马不失蹄。
When the brothers were reunited, Hans explained how it was that he was still alive.
兄弟俩团聚之时，汉斯说明了他活下来的经过，