盘旋经常改变回转方向和节距。

Convolutions frequently alternate in direction of rotation and vary in pitch.

youdao

正如上帝赐给犹太人特别的节庆，用以呼召祂子民的心思意念回转向祂，我们也将继续通过这些节日来纪念与敬拜上帝！ 如同我们也一样期待着圣诞节、复活节、或是春节的来临。

Just as God gave the Jewish Festivals to remind and call His peoples hearts and minds to Him, we will continue to use these as opportunities to Remember & Celebrate God!

youdao