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
we won't be there
我们将无法
I suppose I can finish the project next year.
我想我明年完成此工程。
What was the problem with this method?
这种方法有什么毛病吗？