zuò / shí / yàn / yí / dìng / yào / xià / xīn / bù / néng / yīn / wèi / zháo / jí / jiù / hū / lüè / xì / jié做实验一定要下心,不能因为着急就忽略细节。You must be attentive when conducting an experiment and not overlook details just because you are in a hurry.