Crystalline dolostone is formed by seepage - reflux dolomitization and burial dolomitization.晶粒白云岩有两种成因:一为回流渗透白云石化;二为深埋藏白云石化.They rushed the burial through so no evidence would show up.他们仓促举行了葬礼，掩盖了所有证据。a Bronze Age buri...
These optical fibres may be used for new sorts of telephony.这些光缆可以用于新型电话通讯系统。All sorts of colours will result as these flowers hybridise freely.这些花自由杂交后会产生各种各样的颜色。It takes all sorts to make a world.万千事物，形成世界。He made a li...