bow one's thanks

例句：

1. 1.The leader bowed to the crowd beforespeaking.
   领导人在发言前向群众鞠躬。
2. 2.She bowed her head in prayer.
   她低头祈祷。
3. 3. The king bowed to hissubjects as they entered the room.
   国王向进入房间的臣子们鞠躬。