Yoko would periodically call in and speak to whoever answers.(洋子会定期打进来，跟接电话的人讲话，不管谁接。)
Some of the nicest homes in Florida are periodically crushed by hurricanes.(佛罗里达州一些最好的房屋经常遭到飓风的破坏。)
Desktop applications need to be updated periodically.(桌面应用程序需要定期更新。)
Therefore in principal that damage can be repaired periodically.(因此，从原理上看，伤害是能够被定期修复的。)
It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.(我们很早就知道，地球围绕太阳的公转会依循周期发生变化，太阳辐射照射地球的方式也受到周期性的影响。)
They are periodically confused and depressed, but what teen isn't?(他们也会叛逆，迷茫，但哪个年轻人不是这样子的呢？)
And once she's there her parents check up on her periodically.(而且她的父母会对她进行定期的检查。)
The Background will change images periodically.(背景会定时改变。)
As with any cryptographic keys, these should be changed periodically.(与任何密码术密钥一样，应该定期改变这些密钥。)
