Niggra
n. <美俚>老黑,黑人
🗣️ 情景例句
Don't lose sleep over it.
别因为这事儿睡不着觉。
Do we exist?
我们实际存在吗？
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。