punctuation
punctuation
noun
[mass noun]
punctuational
adjective
语源
noun
[mass noun]
- the marks, such as full stop, comma, and brackets, used in writing to separate sentences and their elements and to clarify meaning
标点 - (Biology)rapid or sudden speciation, as suggested by the theory of punctuated equilibrium
(生)（点断性平衡说提出的）新物种迅速（或突然）的形成
punctuational
adjective
语源
- mid 17th cent.: from medieval Latin punctuatio(n-), from the verb punctuare (see punctuate)
考试词汇表
