Proem
n. 序言, 开端, 开场白
✅ 同义词
🔴 反义词
🗣️ 情景例句
I'm dead tired by quitting time.
下班时，我都累死了。
Why torture yourself?
你这是何苦呢？
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。