heavy：沉重的;繁重的;拥挤的;阴沉的;重物;严肃角色;大量地;笨重地;
massy：巨大的，厚重的;(人名);
hefty：重的;肌肉发达的;异常大的;强有力地;非常;体格健壮的人;
weighty：重的;重大的;严肃的;
lumping：重大的;丰富的;合并;混为一谈;背负(重物)(lump 的现在分词);
例句：
What is the opposite of heavy?重的反义词是什么?
It is cruel of him to make the donkey carry such a heavy load.他真心狠，让驴驮这么重的东西。
Can that wooden bridge carry such heavy trucks? 那木桥承得住这样重的卡车吗?
The doctor advised that he should change the heavy shoes for light ones.医生建议他把重的鞋换成轻的鞋。
We used to mistake that heavy objects fell faster than light ones.我们过去错误地认为重的物体比轻的物体下落更快。
He caught a 6 pound salmon in the annual fishing derby at Lake Winnipesaukee.他在温尼珀索基湖边举行的年度钓鱼大赛上钓到一条6磅重的大马哈鱼。
