Amsterdam also has a good canal system.

阿姆斯特丹也有良好的运河系统。

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There was even an elaborate canal system and a lot of very intricate jewelry.

甚至还有一个精心设计的运河系统和许多非常精巧的珠宝。

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The canal system needs to be checked regularly in order to be prepared for possible flooding.

这个水沟系统需要定期检查以作防洪准备。

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Volunteers said they hoped the move would help with restoration of the entire tunnel and canal system.

BBC: Butterley tunnel gets Scheduled Ancient Monument status

School researchers are trying to harness that energy through a new sensor that exploits the whole ear canal system.

ENGADGET: MIT ear-powered wireless sensor sustains its charge through sound

Recently FORBES took a boat ride on the river and its canal system.

FORBES: A most unromantic river