Veils
n. 层式法；面纱（veil的复数）
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了，再有几天就好了。
This poetry is realistic.l don't care for it very much.
这首诗是现实主义的.我非常喜欢它。
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。