Indefectible
a. 不败的, 无瑕的
✅ 同义词
🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
Can I cancel this ticket?
我可以取消这张票吗？
Ling Feng, could you do something for me, please?
凌峰，你能为我做件事吗？