Obmutescence
n. 死不吭聲\\n[醫] 失音, 失聲
??? 情景例句
Chileren should learn about the great accomplishments of their nation.
孩子們應該了解自己國家的偉大成就。
I would like to call a plumber to come this afternoon.
我要叫一個水管工人今天下午來。
I've never met him but I've talked to him on the net.
我沒見過他，但我和他在網上聊過天。