Impugning
v. 非难, 指谪( impugn的现在分词 ); 对…有怀疑
✅ 同义词
🗣️ 情景例句
Really?
真的吗？
How long will the flight be delayed?
班机诞误多长时间？
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。