meridiann.子午线；经线；顶点；正午adj.子午线的；正午的；顶点的meridian streamlines轴面流线Meridian ray tracing子午光线轨迹meridian observation子午[中天]观测meridian circulation子午圈环流Meridian Qi-passage经络气道meridian transmission传经, 针炙感传现象, 过经meridians and vessels经水Meridian-collateral经络meridianal focal line子午焦线meridiani bulbi oculi眼球子午线

1. He's grilling out there in the midday sun.
   他在正午的阳光下受炙烤。
2. We were careful to avoid the midday sun during our summer travel.
   夏季旅游的时候我们都很小心，避开正午的太阳外出。