是由一层层厚度各异的矿物质成分所组成大自然主体。
平壤 Pyongyang
土壤 [土壤] soil ; land ; dirt-soil ; soil
土壤修复 land restoration ; soil remediation ; Decontamination of Old Sites / Soil Treatment
壤塘县 Zamtang County ; Zamtang ; Rangtang County
土壤科学 Soil Science ; bodenkunde
土壤结构 [土壤] soil structure ; struktura gleby ; talajszerkezet
土壤形态学 [土壤] soil morphology
土壤分类 classification of soils
土壤杆菌属 [土壤] Agrobacterium
由于太阳风，月壤充满了氦。
The moon's lunar soil is chock-full of helium reserves, thanks to the solar wind.
所以有人认为下一个在月壤留下脚印的可能会是中国人。
The next footprints on the lunar regolith were therefore thought likely to be Chinese.
而与印度洋边壤的非洲国家加强防务关系可以推动反恐和打击海盗的斗争。
Defence ties with African states bordering the Indian Ocean could boost the fight against terrorism and piracy.
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