这个玩具火车模型是我爸爸做的。
This toy train ___model was made by my dad.
通过看这个模型,你能更好地了解桥的样子。
By looking at this ___model, you can get a better idea of how the bridge will look.
那只白色的飞机模型是她的。
The white ___model plane is hers.