On the average, the machine turns out one bottle every two seconds.

这台机器平均每两秒钟生产一只瓶子。

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Every two seconds this year, someone in the UK has bought one of her books.

今年她的系列书在英国每两秒就卖出一本。

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Every two seconds this year, someone in the UK has bought one of her books.

今年她的系列书在英国每两秒就卖出一本。

youdao