沉重缓慢的

例句：

1. 1. The luggage was too heavy for me to carry.
   行李太重，我拿不动。
2. 2. The workload is too heavy for the student to handle.
   学生的工作量太重，无法处理。
3. 3. The rain made the ground heavy and slippery.
   雨水让地面变得湿滑沉重。