Martin Parry, author of the report, says it's time for concerted action by world leaders.该报道的作者马丁·帕里宣称是世界各国的首脑采取一致行动的时候了。I did not want to wound him, but to restrict myself to defence, to parry his attacks.我不想伤害他，只是...
Carbonate rocks are predominantly composed of intra - clastic dolostone, chert dolostone and sand - bearing dolostone.碳酸盐岩以内碎屑白云岩 、 燧石白云儿和含砂白云岩为主.The sediments in this photo curve near the ends of chert pods.这沉淀物在这幅图片的曲线...