详细解释:n. 钢笔, 笔, 笔调, 笔杆子, 作家, 围栏, 栅栏, 禽畜
vt. 写, 关入栏中, 囚禁
vi. 动笔, 写作
【法】 监禁, 关闭
词型变化：
名词:penner动词过去式:penned过去分词:penned现在分词:penning第三人称单数:pens英语解释：
名词 pen:
a writing implement with a point from which ink flowsan enclosure for confining livestocka portable enclosure in which babies may be left to play同义词：playpen