酷兔词典首页
1. In the midst of all this movement, the weight and the pen would be still.
    在这些所有的运动中,重物和笔却不动。

2. Is this a pen?
    这是一只钢笔吗?

3. Is this a pen?
    这是一支钢笔吗?

4. It is a green pen.
    这是一支绿色的钢笔。