shǐ / yòng / lào / tie / shí / yào / xiǎo / xīn / gāo / wēn / yǐ / miǎn / tàng / shāng / zì / jǐ

使用烙铁时要小心高温，以免烫伤自己。

Be careful of the high temperature when using a soldering iron to avoid burning yourself.