超基岩性的英文：
ultrabasic rocks

ultrabasic是什么意思：
超基性的

Ultrabasic rocks have a silica content less than 45%. Peridotite is the typical intrusive rock which consists of olivine and pyroxene.
超基性岩的SiO2含量小于45%，它的侵入岩叫做橄榄岩，主要由橄榄石、辉石等矿物组成。

The ultrabasic rocks form a complex of large tectonic slices with intercalated slices of Sebakwian sedimentary rocks
超基性岩与塞巴奎沉积岩岩片相间构成一巨大的构造岩片的杂岩体。

The heat production in rocks due to radioactivity is highest in the acid rocks and lowest in the ultra-basic rocks
岩石的放射作用热产率以酸性岩类最高，超基性岩类最低。

rocks是什么意思：
n. 岩石，石山，碎石，摇滚乐，棒棒糖，宝石，可信赖的人
v. 轻轻摇摆，恫吓，很好

straight or on the rock
纯的或加冰块

He was rocking himself in a rocking chair.
他坐在摇椅上摇动着。

He rocked back and forth in his rocking chair.
他坐在摇椅里前后摇晃着。

He rocked back and forth in his rocking chair.
他坐在摇椅里前后摇晃着。

The rock is resistant to weathering and erosion.
这种岩石不易风化和侵蚀。