假如有人送你一支笔，一支不可拆卸的单色钢笔。

Suppose someone gave you a pen a sealed, solid-colored pen.

youdao

假如有人送你一支笔，一支不可拆卸的单色钢笔。

Suppose someone gave you a pen? A sealed, solid-colored pen.

youdao

假如有人送你一支笔，一支不可拆卸的单色钢笔。

Suppose someone gave you a pen? A sealed, solid-colored pen.

youdao