oolite是什么意思 oolite的用法 oolite怎么读

oolite

英 ['əʊəlaɪt]美 ['oə,laɪt]

n. 鲕粒岩；鱼卵石

ing-bottom: 62.32%;">

英语词源

oolite (n.)

"rock consisting of fine grains of carbonate of lime," 1785, from Modern Latin oolites,

from oo-, comb. form of Greek oon "egg" (cognate with Old English æg, see egg (n.)) + lithos "stone" (see litho-). So called because the rock resembles the roe of fish.

权威例句

1. Oolite lime sand packs naturally with 40 % porosity because the particles are essentially spheroids.

自然堆积的灰质鲕粒砂具有40%的孔隙度,因为其颗粒其本上都是球状的.

2. The thin bedded siliceous - rocks include chert and depositional quartz with textures of oolite and pebble.

矽质岩包括燧石和沈积石英岩,呈薄层状产出,沈积石英岩具鲕状、砾状结构.

来自互联网

[ oolite 造句 ]