她们两个几乎不通电话，但她们的确互相发送长长的电子邮件。
The two rarely speak on the phone, but they do send each other long emails.
不是烧煤，更不通电，而是内核的核反应。
Than coal, much less electricity, but the core of the nuclear reaction.
也可以不通电而不断更新夹层中的热水。
Also, the hot brine in the sandwich can be changed continuously without power supply.
也可以不通电而不断更新夹层中的热水。
Also, the hot brine in the sandwich can be changed continuously without power supply.
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