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| English | Chinese |
| identical twin | 同卵双生胎由同一个受精卵发育成的双生个体 |
| identical twins | 同卵双生胎由同一个受精卵发育成的双生个体 |
| identical twins | 同卵双生胎 |
| identical twins | 同卵双生 |
| identical twins | 单卵双胎 |
| non-identical twin | 异卵双生胎 |
| non-identical twin | 非同卵双生胎 |
| non-identical twins | 异卵双生胎 |
| non-identical twins | 非同卵双生胎 |