teaspoon

noun [集合/集体]茶匙；一茶匙的量

To keep store-bought flowers fresh, snip an inch off each stem, add two teaspoons of vodka and one teaspoon sugar.
为了保持商店里买的鲜花新鲜，把每根花茎剪掉一英寸，然后加两勺伏特加和一勺糖。