long-period的用法和樣例：
例句
- He claimed a pension in virtue of his long illness.
由於長期生病，他申請救助金。 - They were sentenced to long terms in prison.
他們被判處長期徒刑。
辭彙搭配
- long-period instability 長周期不穩定性...
- long period wave 長周波
- long period value 長期價值
- long period 長壽命的(長期的)...
