Elytra
（elytron的复数形式）翅鞘,翅基
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
That was quick! she said. Have you finished already?
“你真快！”她说，“你已经买完东西了吗？”