Blackboys sprouted out of the thick undergrowth of ferns and jungly - looking plants.“黑孩子”(一种树木名称)在蕨类和丛林样子的植物里茂盛成长.The bushfire actually helped to burn off a lot of dead undergrowth.林区大火实际上有助于清除很多枯死的矮灌木。A movement caught...
这些晶格可能有不完善之处, 例如位错和空穴.These crystal lattices may have imperfections, such as dislocations and vacancies.对于电镀的金属来说, 这些缺陷主要是位错, 孪晶和其沉积的异类,原子或分子基因.In electroplated metals, these defects are primarily dislocations, twins, an...