实验前我们要做好准备工作，准备好要用的仪器和试剂。实验过程，我们要有耐

实验前我们要做好准备工作，准备好要用的仪器和试剂。实验过程，我们要有耐心，并且要细心观察，清楚的知道实验步骤，一旦做错，不但得不到产品还可能带来危险

結果 (英文) 1:

We want to prepare before the experiment, prepared the instruments and reagents. Process, we have to be patient and careful observation, clear that experimental procedures, once made a mistake, instead of getting to the products may pose a risk

結果 (英文) 2:

Before the experiment we have to do the preparatory work, ready to use instruments and reagents. Experiment, we must have patience, and to look carefully, clearly aware of the experimental procedure, when done wrong, instead of getting the product also can be dangerous

結果 (英文) 3:

Before the experiment we have to get ready for the equipment and reagents to be used. The experimental process, we must be patient, and careful observation, clear understanding of the experimental steps, once done wrong, not only did not get the product may also be dangerous