S. dollars / barrel. 2 of the contract settlement price of 4.56 U.S. dollars fell to 93.97 U.S. dollars a barrel, or 4.6 percent, and the clearing price set on September 16 to its lowest level since.是什么意思_S. dollars / barrel. 2 of the contract settlement price of 4.56 U.S. dollars fell to 93.97 U.S. dollars a barrel, or 4.6 percent, and the clearing price set on September 16 to its lowest level since.在线翻译_英语_读音_用法_例句