✅ 同义词
🗣️ 情景例句
Now may I please say hello?
现在我可以说声哈喽了吗？
I'm listen to the music downstairs.
我在楼下听音乐。
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。