| 单词 | isotope |
|---|---|
| 音标 | ['aisəutəup] |
| 解释 | n.同位素 |
| 红宝书 | 无 |
| 字源 | isotope (n.) 1913, literally "having the same place," introduced by British chemist Frederick Soddy (1877-1956) on suggestion of Margaret Todd, from Greek isos "equal" (see iso-) + topos "place" (see topos); so called because despite the different atomic weights, the various forms of an element occupy the same place on the periodic table. |
| 不择手段背单词 | 无 |
| 趣味全助记 | 无 |
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