Calcium carbonate occurs in the allomorphs calcite and aragonite.同质异晶的方解石和文石中含有碳酸钙.And some calcite - secreting organisms also add magnesium to the mix.有些分泌方解石的生物,会在分泌物中加入镁.The chemical composition of the melo shell is c...
牙医开始在那颗有问题的牙齿上挖洞，钻孔，直到最后把它补好。The dentist commenced to dig, drill and finally fill the offending tooth.鼹鼠的前足非常有力，擅长挖洞。Moles have powerful forefeet for digging.士兵们在墙下挖洞.The soldiers undermined the wall....
She sails beautifully in winds over 60 knots.它扬着帆以超过60节的船速乘风破浪。...one inventory of twelve sails for each yacht.每艘快艇 12 张帆的储备The sails are not responding to our pull on the ropes; the fastenings must got twisted somehow.现...
The island is covered with seabirds.岛上到处都是海鸟。seabirds nesting on rocky ledges海鸟在岩架上筑巢The seaside fish market is a ready food supply for scavenging seabirds.海边鱼市是觅食海鸟现成的食物供应地....
但是显然,什么是简单的东西显然不是常识的范围.Creating simple things is the result of years of practical experience.瑞士的多支柱养老金系统: 常识的胜利?The Swiss Multi - Pillar Pension System: Triumph of Common Sense?(届时),还会竖起一些介绍安全常识的告示牌.Signs explaining comm...
这些休闲的人们就是新兴市场催生的新一代中产阶级.This is the emerging markets'new middle class at play.金融业改组就是这一进程催生的结果之一.Among other things , that process jump - started financial restructuring....
当有人觉得情绪低落时，要努力相互打气。Try to support each other when one of you is feeling down.情绪低落的时候，她们就疯狂地猛吃巧克力和糖果。When depressed, they dramatically overindulge in chocolate and sweets.杰克逊说她的老板情绪越来越低落，又开始拼命抽烟了。Jackson said her boss bec...