Monochord
n. 单弦琴, 测弦器\\n[医] 单音听觉器, 舒尔策氏单音听觉器
🗣️ 情景例句
It's complicated.
原因很复杂。
Where (or While) there is life there is hope.
留得青山在，不怕没柴烧。
Would you like to leave a message?
你要留话吗？