潮水小的时候强风可以让船只改变航向。Strong winds can turn boats when the tide is weak.舵手独自一人就能变换航向。The helmsman could tack the boat singlehanded.根据星辰确定航向to navigate by the stars...
After touring the hospital, Her Majesty unveiled a commemorative plaque.女王陛下巡视完这家医院后,为纪念匾揭了幕。The Queen unveiled a commemorative plaque.女王为纪念牌匾揭幕。There is a commemorative plaque to the artist in the village hall.村公所里有一块纪念...