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So we have system insulated from the outside world, and we have two bulbs.
我们有一个与环境隔绝的系统，和两个腔体。
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$firstVoiceSent
- 来自原声例句
So we have system insulated from the outside world, and we have two bulbs.
我们有一个与环境隔绝的系统，和两个腔体。
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