冒号

冒号的作用是详细说明内容，通常后面会列举一系列的事物，示范或说明先前提过的事物。

There are many reasons for poor written communication: lack of planning, poor grammar, misuse of punctuation marks, and insufficient vocabulary.
He collected a strange assortment of items: bird's eggs, stamps, bottle tops, string, and buttons.
Peter had an eclectic taste in music: latin, jazz, country and western, pop, blues, and classical.
He had just one fault: an enormous ego.

在时间的写法上，会用冒号来分开时与分。

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