Coolerman
冷冻设备机修工
🗣️ 情景例句
What's the matter, Susan?
怎么了， Susan？
If he doesn't play, who will?
如果他不，谁要去玩？
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。