Fountain pen
辅助 Assistant钢笔, 自来水笔
🧩 词语组成解析
pen
[pɛn]
n. 笔，笔尖;笔法，文笔;作家;围栏;
vt. 写;把…关入栏中;关押，囚禁;
🗣️ 情景例句
with the school board,
和联合校董会一起，
Which is the right size?
哪个尺码是对的？
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，