Unreliability
n. 不可靠, 不可信赖；不安全
✅ 同义词
🔴 反义词
🗣️ 情景例句
Oh, Daddy, does that mean we don't have to move?
噢 ，爸爸 ，你的意思是我们不必搬家了？
This isn't a laughing matter.
这种事是不能开玩笑的！
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。