Monobath
[摄]显定合一单液
🗣️ 情景例句
When do we eat?
我们什么时候吃？
Do I have to reserve a seat?
我一定要预订座位吗？
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。