1819, "to fill (a hole containing an explosive) with dirt or clay before blasting," a workmen's word, perhaps a back-formation from tampion, that word being mistaken as a present participle (*tamping).
实用例句
1. Then I tamp down the soil with the back of a rake.
然后我用耙子的背将土壤拍实。
来自辞典例句
2. Tamp the coffee grinds in the container to make espresso.
在容器中捣实咖啡粉来煮浓咖啡.
来自互联网
3. Now, China wants to tamp such nationalism down.
现在, 中国希望压制民族主义.
来自互联网
4. The first step is to set up programs in order to tamp the development foundation.
第一步上项目,夯实发展基础.第二步快发展,壮大经济总量.
来自互联网
5. But the Chinese government also appears to trying to tamp down interest in the case.