Quinacetin
[醫] 奎納西丁
??? 情景例句
Thanks. Nice to meet you ... again.
謝謝。很高興又……見到你。
Mutual understanding.
心照不宣。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要發明一種儀器，既不打盹兒，也不睡覺。