[N-COUNT 可数名词]幼虫;幼体 A larva is an insect at the stage of its life after it has developed from an egg and before it changes into its adult form.
The eggs quickly hatch into larvae.
虫卵很快孵化成幼虫。
...a dragonfly larva.
蜻蜓幼虫
Oxford
larva/ˈlɑːvə; NAmEˈlɑːrvə/noun _insects_comp.jpg _beetle.jpg (plurallar·vae/ˈlɑːviː; NAmEˈlɑːrviː/)an insect at the stage when it has just come out of an egg and looks like a short fat worm幼虫;幼体▶lar·val/ˈlɑːvl; NAmEˈlɑːrvl/adjective[only before noun ]◆an insect in its larval stage处于幼体阶段的昆虫larvalarvaelarva/ˈlɑːvə; NAmEˈlɑːrvə/lar·vae/ˈlɑːviː; NAmEˈlɑːrviː/lar·val/ˈlɑːvl; NAmEˈlɑːrvl/