Noun + 相连
相连 (xiānglián) means "connected" or "linked together," describing two or more things that are physically or conceptually joined. It is often used as a predicate or attributive modifier. For example, 后脑部相连的双胞胎 means "twins connected at the back of the head."
这两个房间是相连的,中间有一扇门。
Zhè liǎng gè fángjiān shì xiānglián de, zhōngjiān yǒu yì shàn mén.
These two rooms are connected, with a door in between.
这条河与大海相连。
Zhè tiáo hé yǔ dàhǎi xiānglián.
This river is connected to the sea.
两座城市通过一条高速公路相连。
Liǎng zuò chéngshì tōngguò yì tiáo gāosù gōnglù xiānglián.
The two cities are connected by a highway.