It's high season for bird flu.

这个季节是禽流感的高发季节。

This is the high season, you know.

现在是旺季，您知道的。

Yes. Those months are the high season.

对，那些月份是旅游旺季。

Is right now a high season for vacations?

现在是旅游旺季吗？

It was the high season for summer flowers.

正是夏季花儿盛开的季节。