Disserviceable
a. 危害性的, 起损害作用的
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
The flood has left many people homeless.
许多人因洪水而失去了家园。
Trafalgar Square, please.
请买一张到特拉法加广场的票。