Hardness than corundum, abrasive easily broken, sharp edges and corners, good cutting, grinding heat and small.硬度高于棕刚玉, 磨粒易破碎, 棱角锋利, 切削性能好, 磨削热量小等.Salter held the bag by the corners and shook it upside down.索尔特捏住包的外角，把它倒...
Rather than politely lobbying politicians, Gay Dignity will be making its presence felt through demonstrations.“同性恋尊严”游行活动不会彬彬有礼地向政客们游说，而会通过示威引起关注。These businessmen have been lobbying a bill through the Senate.这些商人一直在游说议...
鹤是一种腿和脖子都很长的鸟.Crane is a kind of bird with very long legs and neck.有些鹅和鹤同在一块地里觅食.Some geese and some cranes fed together in the same field.他们的鹤嘴锄发出来的卡嗒卡嗒声使我从沉思中清醒过来.The rattle of their picks was what woke me from my musi...
The ore - forming fluid is medium - low temperature, low salinity, and low fugacity of O 2 and S 2.成矿流体为中低温 、 低盐度 、 弱酸性、低氧逸度和硫逸度.Salinity refers to the total concentration of salts present in the soil solution.含盐量是指土壤溶液中...