[問題] 36套 EXCERISE 11
看板GRE (GRE入學考試)作者pig2362235 (pig2362235)時間10年前 (2015/05/13 10:45)推噓0(0推 0噓 0→)留言0則, 0人參與討論串1/2 (看更多)
The best evidence for the layered-mantle thesis is the well-established fact
that volcanic rocks found on oceanic islands,
islands believed to result from mantle plumes arising from the lower mantle,
are composed of material fundamentally different from
that of the midocean ridge system,
whose source, most geologists contend, is the upper
mantle.
這句話真的好長 而且好多插入語 完全拆不出來 所以看不懂
麻煩各位高手幫忙解惑 謝謝
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