在伟晶岩接触带,硫化物成分变为黄铜矿 、 针镍矿 、 黄铁矿及硫镍铁矿, 伴生有磁铁矿和赤铁矿.At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and accompanied by magnetite and hematite....
a swap meet for collectors of Star Trek memorabilia《星际迷航》纪念品收藏者交流会He is on a trek through the South Gobi desert.他正徒步穿越南戈壁沙漠。The World Trade Centre is a bit of a trek from Soho, but it's worth it.从苏豪区到世贸中心走起来是有点远，但还是...
What first attracted me to her was her incredible experience of life...她离奇的人生经历最先吸引了我。What kids experience now is an uneven rate of development. They are forced to be older than their years.小孩子现在的问题是成长速度不均衡。他们被迫变得比自己的实际年...
Later, nuts or coins imprinted with the god Janus became commonYear's gifts.后来人们交换的礼物渐渐变成了硬壳果和刻有柬奈斯头像的硬币.The Roman Janus is bifacial.罗马两面神有两幅面孔.We are born, Janus - like, with both tendencies.像守护门户的两面神一样, 我们出生时具有两种趋...