Minority problem
[法] 少数民族问题
🧩 词语组成解析
🗣️ 情景例句
We accepted their challenge to a baseball game.
我们接受了他们棒球邀请赛的挑战。
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
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。