capacious

这个背包容量很大，能装下我所有的课本和笔记本电脑。

This ___capacious backpack can fit all my textbooks and laptop.

宽敞的客厅里摆了两张沙发和一架三角钢琴，却仍然感觉空了一半。

The ___capacious living room had two sofas, a grand piano, and still felt half-empty.

他放倒后排座椅，把四个大搬家纸箱塞进了旅行车宽大的后备箱里。

He folded down the rear seats and loaded four large moving boxes into the ___capacious trunk of his station wagon.