Yabla video uses of 轨迹

迅速 xùnsù
wǎng
下落 xiàluò
de
时候 shíhou
de
那个 nàge
轨迹 guǐjì
shì
绝对 juéduì
de
中锋 zhōngfēng
when it rapidly flows downward, its track is the absolute central point.