discontinuous heating

例句：

1. 1.The road was discontinuous due to the construction work.
   由于施工工作，道路是不连续的。
2. 2.The project is discontinuous because it's divided into several parts.
   这个项目是断断续续的，因为它被分成了几个部分。
3. 3. The conversation was discontinuous as they were interrupted by a phone call.
   他们的谈话是不连续的，因为他们被电话打断了。