nut/nʌt/

n. a small fruit with a very hard shell

n. [C] 坚果；坚果仁：crack a nut 破开坚果

◇Do you know how squirrels eat nuts? 你知道松鼠是如何吃坚果的吗？

音组-ut/-ʌt/

but; cut; nut; shut