shí / yàn / kāi / shǐ / qián / qǐng / xiān / jiǎn / chá / shè / shì / wēn / dù / jì / shì / fǒu / zhǔn / què

实验开始前，请先检查摄氏温度计是否准确。

Before starting the experiment, please check whether the Celsius thermometer is accurate.