Usually, iron loses two or three electrons.
通常情况下，铁原子丧失2-3个电子。
You find a small house, three rooms under a pale-blue corrugated iron roof.
走着走着你能发现一座小房子，浅蓝色波状钢的屋顶下，有着三个房间。
So he fastened three iron bands round his heart.
所以他用3条铁片捆住他的心。
Then divide the tail into three sections and wind each around a curling iron.
然后将马尾分成三股，用卷发棒将每股头发卷一下。
Then divide the tail into three sections and wind each around a curling iron.
然后将马尾分成三股，用卷发棒将每股头发卷一下。
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