dì qiú / jīng guò / jìn rì diǎn / shí / gōng zhuǎn / sù dù / dá dào / quán nián / jiào kuài de / shuǐ píng

地球经过近日点时，公转速度达到全年较快的水平。

When Earth passes through perihelion, its orbital speed reaches one of its fastest levels of the year.