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hard basic rock 坚硬基岩
Ilmenite-containing bedrock falls into a Hercynian basic rock. 其含钛铁矿基岩为海西期基性岩。
A basic rock whose pockmarked appearance is caused by the presence of numerous white,rounded,embedded spherules. 球颗玄武岩一种基性的岩石，其有麻窝的外表是由无数白色，圆形嵌进去的小球的存在连成的。
The basic rock material is usually finely crystalline and is referred to as the matrix. 基性岩石物质具有完美的晶体结构，一般构成基质。
A basic rock whose pockmarked appearance is caused by the presence of numerous white, rounded, embedded spherules. 球颗玄武岩一种基性的岩石，其有麻窝的外表是由无数白色，圆形嵌进去的小球的存在连成的
The early basic rock in the zhong Tiao rift zone,and the mineralizing ftruids are mainly of high salinity. 晚太古代降县期,即中条裂谷活动早期形成了与铜矿床密切相关的基础火山岩。
Lately they have been getting into hard rock. 近来他们一直热衷于演奏硬派摇滚。
It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
A possibility is proposed for finding small type of deep part liquation deposits in copper mine areas through the rock chemical analysis of ultrabasic and basic rocks of the area. 通过对铜矿山超基性 -基性岩体的岩体化学成分分析 ,提出该区寻找小型深部熔离铜镍硫化物矿床的可能性
John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
The hard core in the party make all the decisions. 这个党的核心成员决定一切。
Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
The basic rocks, which belong to alkali and tholeiitic magma series, enriched in LREE and LIL. The magmatic source of basic volcanic rocks was enrichment mantle being analogous to oceanic island basalts sources. 基性火山岩有磁性玄武岩与拉斑玄武岩两个岩浆系列，且富集LREE与LIL，其岩浆源区为与洋岛玄武岩源相似的富集地幔柱源。
He owes his opulence to work hard. 他的财富乃辛勤工作得来。
She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。