This last spring, I experienced firsthand just how bad behavior on the field could get.
今年春天，我亲身体验了这种不良行为是如何在赛场上发生的。
2
It is a tantalising possibility that this behavior could spread before our very eyes — over a field season or two — and that we could track that spread.
他补充说，“这种行为很有可能在一到两个季度内在我们眼前扩散，这样我们就可以跟踪扩散的过程了。”
3
The more open country of the Gombe Stream Reserve is ideal for field study, though the behavior of apes living there might not be the same as that of apes in the dense forests.