原声例句
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This makes sense intuitively as well, Ze because z is just the atomic number.
他还发现原子核，的电荷是正的。
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$firstVoiceSent
- 来自原声例句
This makes sense intuitively as well, Ze because z is just the atomic number.
他还发现原子核，的电荷是正的。
应用推荐