Episperm
n. 种皮\\n[医] 外种皮(植物)
🗣️ 情景例句
His job provides a very handsome salary.
他工作的薪酬十分可观。
A constant guest is never welcome.
久住非佳宾，常来不欢迎。
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。