Quality circle
质量攻关会议； 质量（管理）小组
🧩 词语组成解析
🗣️ 情景例句
What is wrong with you?
你怎么啦？
No man knows when he shall die, although he knows he must die.
纵然知其难免一死，人却难料何时身亡。
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。