N-ethylpiperidine
[醫] N-乙基哌啶
??? 情景例句
When will you be able to deliver?
您什么時候可以交貨？
Old vessels must leak.
舊船必漏。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.
卡爾·馮·弗里施教授，一位澳大利亞科學家，一生中花了許多年的時間來研究蜜蜂在暗巢里互傳信息的有趣方法。