Cbss
通播发射台
🗣️ 情景例句
It's six o'clock.
已经六点了。
I'm happy when I skate.
溜冰真是快乐呀。
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。