hronest:silicates是什么意思？

silicates

[英]['sɪlɪkeɪts][美]['sɪlɪkeɪts]

n.硅酸盐( silicate的名词复数 );

例句:

1.

One particular location where the opaline silicates were found was the largecanyon system valles marineris.

发现蛋白石硅酸盐的一个特殊地点是大型山谷系统水手谷（vallesmarineris）hronest。

2.

"The only atmosphere this object has is produced from vapor arising fromhot molten silicates in a lava lake or lava ocean," said bruce fegley jr., ofwashington university in st. louis.

圣路易斯市的华盛顿大学布鲁斯.（小）费格雷说：“这个星体仅有的大气产生于熔岩湖或熔岩洋中炙热的液态硅酸盐蒸发出的蒸汽hronest。”

rollercoaster怎么读？

rollercoaster英 [ˈrəʊləˌkəʊstə] 美 [ˈroʊlərˌkoʊstər] n. 过山车; 云霄飞车; 许多急转突变; 忽好忽坏;

[例句]A "rollercoaster ride" is one description for these days of scary ups and downs in financial markets.

一个“过山车”是一个可怕的UPS和金融市场的波动hronest，这些