我在1955年4月17日讲初中动物学第六章软体动物中,当解剖一个蚌的过程时,发现了在蚌的外套腔的鳃瓣中(生活的蚌里面有很多很多的水,因一般的软体动物如蚌、田螺当水将乾涸时,它便吸满了水躱在泥里,泥雖乾了,但它们仍能活着,等待雨水到来时再出来活动),有幼鱼七條及 On April 17, 1955, I spoke about the molluscs in Chapter 6 of the Junior High School zoology. When dissecting the process of a clam, it was found in the gill flap of the clam of the clam (there are many, many, When common molluscs such as mussels and snails dry up, they fill their mouth with muddy water and the mud is dry, but they are still alive waiting for rainwater to come out again. There are seven juveniles and