1、Eclosion is the process by which an insect emerges from its pupal case or hatches from an egg.
昆虫羽化是昆虫从蛹壳中出来或从卵中孵化的过程。
2、The researchers observed the eclosion of several butterfly larvae in their experiment.
研究人员在实验中观察到了几只蝴蝶幼虫的羽化过程。