The liquid should be pipetted into the lid of the microcentrifuge tube which already contains30 microliters of saline solution.

• 现在我们要把这些精液用吸液管吸倒微型离心瓶的盖子上去（子上已经有30微升的盐溶液）然后把公鱼放进观察杯中去，并且看着它恢复。