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English |
natural | |
gen. | of course; artless; elemental; unstudied |
ecol. | natural |
medicinal | |
health. | medicinal |
gas | |
tech. | petrol |
gases | |
environ. | gas; gas |
| |||
of course; artless; elemental; unstudied | |||
natural | |||
native |
natural medicinal gases : 1 phrase in 1 subject |
Medical | 1 |