The lake was ponded by lavas a long time ago.这条湖是很久以前熔岩堵塞河道形成的.Such lavas also once came from the volcanoes in the Cascade Range in Washington.在华盛顿州的喀斯喀特山脉的火山也喷出过这样的熔岩.Previously, researchers had found nearby pillow lava...
发电站烧的煤产自鲁尔地区。The power stations burn coal from the Ruhr region.大火当时有可能把货船上的油罐烧漏了，从而引燃原油。Fire may have breached the cargo tanks and set the oil ablaze.不要在烤肉上浇太多的油，会烧起来的。Don'tspill too much fat on the barbecue as it c...
The museum has a fine collection of medieval ivories.该博物馆收藏着一批精美的中世纪象牙制品.She is tearing up the ivories in heaven, I am sure.她正在天堂里大弹特弹着钢琴呢, 我敢肯定.He bought many ivories in the market.他在市场上买了许多象牙....