the depletion of the ozone layer in the northern hemisphere.

北半球臭氧层的消耗。

In the southern hemisphere with its reversed patterns of seasons, these festivals are usually held at different times.

在季节相反的南半球，这些节日通常在不同时间举行。

In the northern hemisphere the sun rises in the east and sets in the west at the spring and autumn equinoxes.

在北半球，春分和秋分时，太阳在正东方升起，并在正西方落下。 。

In most people, the left hemisphere is bigger than the right.

大部分人的左脑半球都比右脑半球大。

the right hemisphere, which governs creativity, spatial perception, musical and visual appreciation, and intuition.

右脑半球控制着创造力、空间知觉、音乐和视觉欣赏以及直觉。