suddenness

/ˈsʌdnnəs/ 0
something happens quickly and without warning.

noun [抽象名词]意外;突然

The suddenness of storms in that climate is something almost preternatural.
在那地带,突起的风暴几乎是件不可思议的事。

suddenness

-ness ⌜ 表示状态或质量的性质 - indicating the state or quality of ~ ⌟
单词造句:
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I know the suddenness of it must have been a dreadful shock; and I just can't tell you how sorry I am. 这一突然不幸对你一定是一沉重打击。我无法表达我的悲痛之情。