Archrival
n. 主要竞争对手
🗣️ 情景例句
Thank you.
谢谢你。
Could I have one for tomorrow morning?
明天早上我能租一辆吗？
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。