ponderous

这篇报告写得冗长乏味，读起来很吃力。

The report was so ___ponderous that it was hard to get through.

这台沉重的老式拖拉机在田野里缓慢地移动着。

The ___ponderous old tractor moved slowly across the field.

繁杂的官僚程序使获得一张简单的建筑许可证变成了长达六个月的煎熬。

The ___ponderous bureaucracy made obtaining a simple building permit a six-month ordeal.