Riga
n. 里加（拉脱维亚共和国首都）
🗣️ 情景例句
that you are very impressive.
你给人们留下了深刻的印象。
How wide is this bridge?
这座桥有多宽？
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。