Elytra
（elytron的复数形式）翅鞘,翅基
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
She's been a bit under the weather recently.
她近来身体不太好。
What about vegetables, Sir? They usually go bad as soon as we are at sea.
那些蔬菜怎么办呢，先生？通常是刚一出海它们就会坏掉的。