Nanon
毫微米(等于10的-9次方米)
🗣️ 情景例句
Get outta here!
出去！
Not necessarily.
不一定啦！
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。