natr-
combining form 
or natro-
Etymology: German, from natron, from French — more at natron 
1. : natron 
2. : sodium 
< natrium >
< natrolite >
< natrophilite >
or natro-
1.
2.
< natrium >
< natrolite >
< natrophilite >
| 词汇 | natr- | 
| 词根词缀 | Webster natr- or natro- 1. 2. < natrium > < natrolite > < natrophilite > | 
| 随便看 | 
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