Unstable system
[电] 不稳系统
🧩 词语组成解析
🗣️ 情景例句
Not to worry.
别担心。
An old physician,and a young lawyer.
医生老的好，律师年轻的好。
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。