be heavy on

• 大量使用

be heavy on的用法和样例：

例句

1. If one of them is successful ,that biofuel prevails in the future would be in sight.
   其中一个方案成功的话，未来的生物能源的大量使用已经不远了。
2. Heavy pesticide usage may also limit further gains because of pollution of drinking water.
   大量使用杀虫剂也可能污染饮用水，而限制了额外的农获。