Instabilities
n. 不稳定, 不稳固( instability的名词复数 )
🗣️ 情景例句
Don't worry about it.
别介意。
The doctor said it's just a slight infection, There's nothing to worry about.
医生说只是轻微的感染，不需要担心。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。