The carbon14 atoms oxidize to carbon dioxide which gets blown about and mixed up with lower atmosphere.碳14原子氧化生成二氧化碳，向四周散去并与低空的大气混合。Oxidize copper to copper oxide.使铜氧化变成氧化铜.Chardonnay berries are relatively small, thin -...
He steeled his heart against the sufferings of the poor.他硬起心肠对穷人们的苦痛不表同情.He steeled himself against the blow that he could see coming.他准备咬紧牙关来面临即将到来的打击.He steeled himself for the blow.他使自己坚强起来,经得起打击....