| 释义 |
pen in
释义
限制在某一区域内：阻止（某人或某物）超出特定区域。常用于比喻。
例句
1·If you are to have an important exam, you'd better prepare one more pen in reserve.
如果你将要参加一场重要的考试的话，你最好准备多一支备用的笔。
2·I can never find a pen in this house. They disappear as soon as I buy them.
我在家里从来找不到一支笔。每次我一买来就不翼而飞。
《牛津词典》
3·First, read a chapter with one pen in your hand and others next to you on the desk.
首先，读一个章节的时候手里拿一支笔，其他的放在你旁边的桌上。
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