小学科学教学中,干制标本各部分失去韧性变脆后,如不密封起来,稍不留神碰到它,它就会面目全非,最后变得“惨不忍睹”。后来我学会了把小昆虫制成琥珀标本,值得高兴的是几年下来,昆虫还保 In the primary science teaching, if the various parts of the dried specimens lose their tenacity and become brittle, if they do not seal up, they will be inadvertently touched by it, and it will be beyond recognition and finally become “appalling.” Later, I learned to make small insects made of amber specimens, it is delightful that a few years down, insect repayment