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- biogenic origin sand 生物成因泥沙
- After studying the cause of the shallow gas,this paper thought that the shallow gas surrounding Shanghai sea area was biogenic origin. 由研究结果认为上海周边海域浅部地层中的浅层气为生物成因气。
- But not all scientists agree;instead they suggest that the early crust was relatively stable.Either way, Dr Whitehouse does not believe that this rules out a biogenic origin for the carbon. 但这并不说所有的科学家都同意这样的想法，另一种看法认为早期地壳相对稳定，所以生物起源的说法值得争论。
- In this technique, the original sand, soil and humus are replaced by clean sand;then water is poured into the base pit enabling sand rearranged and compacted by means of the water down-seepage force. 水坠砂工艺就是采用洁净的砂土替换原有砂土及腐质土，然后往基坑内灌水，使砂土借助水下渗的作用力重新排列组合，以达到密实的效果。
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
- Keywords coalbed gas;secondary biogenic origin;acyclic isoprenoid alkanes;methanogenic bacteria;Qinshui basin; 无环类异戊二烯烷烃;甲烷菌;煤岩;煤层气;次生生物成因;沁水盆地;
- His company was built on the sand. 他的公司根基不稳固。
- The river has scour out a passage in the sand. 这条河在沙土中冲出一条水道。
- The boat grounded on a sand bank. 船只搁浅在沙洲上。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- The illness is organic in origin. 该病起初是器质性疾患。
- Its origin is wrapped in mystery. 它的起源仍是个未解的谜。
- It fell onto the wet sand, then sank (in). 那个东西掉在潮湿的沙子上，然後沉了下去。
- The bond that binds the smugglers together is a rope of sand. 把走私犯联接起来的是条沙做的绳子，一碰就碎。
- The apparent celestial origin of a meteoric shower. 流星群的辐射点明显的流星雨太空光源
- Sand and leaves trapped the water in the stream. 沙子和树叶堵住了小河的水流。
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海词词典，十七年品牌
