Phthalidyl
2-苯并[C]呋喃酮亞基
??? 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
沒有人知道究竟發生了什么，但幾乎可以肯定這并非意外。
Could you do me a favor?
能請你幫個忙嗎？
Von Frisch wanted to find out whether the dance told them how far away the feeding place was.
馮·弗里施想弄清舞蹈是否告訴它們離喂食點有多遠。