Perniciousness
危害性
📖 牛津释义
perniciousness
n [U].
🗣️ 情景例句
Carl, does your throat hurt?
Carl，你喉咙痛吗？
This is Mary Speaking.
我是玛丽。
Otherwise we won't be able to hear ourselves talk.
否则我们的谈话彼此就都听不到了。