The metal container began to emit a clicking sound.

金属容器开始发出咔嗒咔嗒的声音。

《牛津高阶英汉双解词典》

A light, sharp, clicking sound made repeatedly by a machine, such as a clock.

'滴'.''嗒声钟表等机器反复发出的很轻且很''.'高'.''的''.'滴'. ''嗒声.

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