n.蟬；知了

Cicada always sloughs in the spring. 蟬總是在春季蛻皮。

A cicada's first flight can be its last. 蟬的第一次飛行

A cicada sat at the base of the gum tree. 有只蟬在橡膠樹下面。

Cicada sloughs can be made into medicines. 蟬衣可以入藥。

A mantis catches a cicada, a yellowbird behinds. 螳螂捕蟬，黃雀在后。