heftily

例句：

1. 1.The box was heftily placed on the table.
   那个箱子被重重地放在桌子上。
2. 2. He lifted the heavy object with effort.
   他用尽全力提起了沉重的物体。
3. 3.The workload was heftily distributed among the team members.
   工作负荷被团队成员沉重地分配。