throwaway
🇺🇸
/ˈθrəʊəweɪ/
🇬🇧
/ˈθrəʊəweɪ/
adjective
R
A comment or remark that is made without much thought, often in a casual or humorous way.
He made a throwaway joke that lightened the mood.
他开了一个即兴的玩笑，缓解了气氛。
R
Made to be inexpensive and disposable, meant to be used once and then thrown away.
Many people criticize the use of throwaway items like plastic cutlery.
许多人批评使用像塑料餐具这样的一次性物品。
translation
随口说说的话, 一次性的