Bifold
两褶的
🗣️ 情景例句
Now what?
又怎么了？
I'm afraid you will be too busy.
我怕你会太忙。
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。