| 单词 | proto-compound |
| 释义 | > as lemmasproto-compound ΚΠ 1834 Philos. Trans. (Royal Soc.) 124 84 Other compounds, consisting of single proportions, which are the true proto compounds. 1870 S. W. Johnson tr. C. R. Fresenius Syst. Instr. Quantitative Chem. Anal. i.192 Many native proto-compounds of iron cannot be thus dissolved. < as lemmas |
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