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1. 沉重地
   a heavily loaded truck

   负载沉重的卡车

   He sat down heavily.

   他重重地坐了下来。

2. 沉闷地，郁闷地
   "I don't understand you," she said heavily.

   “我不明白你，”她闷闷不乐地说道。

3. 猛烈地，厉害地
   He is drinking heavily.

   他酒喝得很厉害。

   The rain came down heavily all night.

   大雨下了一整夜。

4. 浓密地，繁茂地
   This area is heavily populated.

   这一地区人口稠密。