Bolt was in relaxed mood before the race, showing off to the cameras and wearing a t-shirt bearing the phrase "Ich Bin Ein Berlino", in reference to Berlino the bear, the event's mascot.

This research contributes to the rapid and undamaged identification of bear bile powder, and also offers reference for the quality identification of other expensive medicinal materials.

Every year can the classmate reviews midway, do not wish to bear come home, interrupted study to for reference.