因为稀有并且品相完好，它价值连城。It was a real prize due to its rarity and good condition.收藏家们会花5万到100万美元去购入一份稀有标本。Collectors will pay $50,000 to $1 million for a rare specimen.它们的价格几乎完全取决于它们的稀有程度。Their price depended almost entirely on...
Iron can be magnetized by passing an electric current round it.让电流通过铁能使铁磁化.Each bobble is magnetized in one direction or the other.每个磁泡可以按不同方向磁化.The ferrofluid can be magnetized to the saturated state in presence of an e...
They will learn the strength of the enemy, before they dare take the field.他们获悉敌人的兵力之后才敢开战.She encouraged HectorParis to take the field again sincerely mourned the death the true hero Hector.她鼓励海格特和帕利斯再次走上战场,并真诚地为真正的英雄海格...