Crickets hold their elytra up which creates a small air pocket that acts as a sounding box.

蟋蟀把翅翘起形成气囊，起到共鸣腔的作用。

For the candidates, these two components are mounted on the elytra — the two most rigid wings on the insect.

对于演奏者这两部分都在它们的翅——翅是昆虫的两硬质的翅膀。

How differently constructed is the feathered wing of a bird and the membrane-covered wing of a bat; and still more so the four wings of a butterfly, the two wings of a fly, and the two wings with the elytra of a beetle.

鸟的羽毛翅膀和蝙蝠的膜覆盖的翅膀的构造有多么不同；更何况还有蝴蝶的四翅膀、苍蝇的两翅膀和甲虫的两带有翅的翅膀。