Last year, in a record lease sale, Royal Dutch Shell PLC paid $2.1 billion for exploration blocks in the Chukchi Sea, off the coast of Alaska.是什么意思_Last year, in a record lease sale, Royal Dutch Shell PLC paid $2.1 billion for exploration blocks in the Chukchi Sea, off the coast of Alaska.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句