副词
1. This area is heavily populated.
这一地区人口稠密。
2. He is drinking heavily.
他酒喝得很厉害。
3. It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现田里已形成一条小溪。
4. The rain came down heavily all night.
大雨下了一整夜。