méi / yǒu / xīn / diàn / chí / shí / wǒ / men / zhǐ / néng / zàn / shí / shǐ / yòng / dài / yòng / pǐn

没有新电池时，我们只能暂时使用代用品。

When there were no new batteries, we could only use a substitute temporarily.