Unreliability
n. 不可靠, 不可信赖；不安全
✅ 同义词
🔴 反义词
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
I would like to go.
我要走了。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。