zuò / shí / yàn / bù / néng / zhǐ / qiú / sù / dù / fǒu / zé / hěn / róng / yì / máng / zhōng / yǒu / shī

做实验不能只求速度，否则很容易忙中有失。

You cannot focus only on speed when conducting an experiment, or you may easily make mistakes.