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- 这个街区的供暖系统不太好用。
The heating system in this block doesn't work well.
- 工人们装好了供水系统。
The workmen fixed the water system.
- 我们太阳系的行星有水星、金星、地球、火星、木星、土星、天王星和海王星。
The planets of our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
- 这个暖气系统有自动化的温度调节系统。
This heating system has an automatic temperature control.
- 系词将一个句子的谓语和主语连起来的动词，如be或seem的一种形式
A verb, such as a form of be or seem, that identifies the predicate of a sentence with the subject.
- 工人们正在安装供暖系统。
The workers are installing a heating system.
- 你知道怎么登录进入这个系统吗？
Do you know how to log in to the system?
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