to happen or cause something to happen repeatedly while something else is happening ; to interrupt something repeatedly
发音
例句
1. The pupils have not yet learned to punctuate correctly. 小学生尚未学会正确使用标点符号。 2. Be sure to punctuate your sentences with the correct marks in the right places. 一定要在你文章句子中的正确地方标上正确的标点符号。