I doubt it, sir. We'll try, but I can't promise anybody before 3:30.
我没把握,先生。我们会尽早的,但我不敢许诺3:30以前行。
After working with bees for many years, Professor Von Frisch was puzzled by something he had noticed again and again.
在和蜜蜂打了多年的交道后,冯·弗里施教授对他反复注意到的事感到迷惑。