Spedex
德银(镍5-33％, 铜50Spedex70％, 锌13Spedex35％)
🗣️ 情景例句
In every marriage,
婚姻中，
How's your nephew?
你的女儿好吗？
But, in contrast, it is only in modern times that Galileo has become a problem child for historians of science.
但是相比之下，只是在现代对于科学史家来说，伽利略才变成一个新的难题。