teaspoon
noun [ C ] uk/ˈtiː.spuːn/ us/ˈtiː.spuːn/
B2 茶匙
a small spoon used to stir (= mix) tea or coffee in a cup
Compare: dessertspoon tablespoon
US（度量单位）茶匙（含0.17374盎司或4.93毫升）
a spoon that contains 0.17374 ounces or 4.93 mililitres , used for measuring food