久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

Magnetitite - bearing plugs are found erratically from the base of the Critical Zone.含磁鐵巖的巖栓不規(guī)則地分布于關(guān)鍵帶的基底以上.An area about half - a - mile in diameter is surface strewn with blocks of magnetitite.在直徑約1/2英里的地區(qū)的地表上有磁鐵巖轉(zhuǎn)石分布....

magnetitite的音標(biāo)：magnetitite的英式發(fā)音音標(biāo)為：['m?ɡnet?ta?t]magnetitite的美式發(fā)音音標(biāo)為：['m?ɡnet?ta?t]...

磁鐵巖...