自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT 钢笔 A pen is a long thin object which you use to write in ink.
VERB 写；书写 If someone pens a letter, article, or book, they write it.
I really intended to pen this letter to you early this morning...
She penned a short memo to his private secretary.
N-COUNT 栏；圈；棚 A pen is also a small area with a fence round it in which farm animals are kept for a short time.
...a holding pen for sheep...
He wasn't sure exactly how a fox could have got into the sheep's pen.
VERB 把…关起来；把…圈起来 If people or animals are penned somewhere or are penned up, they are forced to remain in a very small area.
...to drive the cattle back to the house so they could be milked and penned for the night...
The goats are penned in and fodder has to be cut and carried each day...
N-COUNT 监狱 People sometimes say the pen to refer to a prison.
PHRASE 动笔；下笔 If you put pen to paper, you write something.
Whenever he put pen to paper he was at a loss for the right words to break the news.