post traffic sign

例句：

1. 1.The police posted a new traffic sign to alert drivers about the upcoming construction.
   警方发布了一个新的交通标志，提醒司机注意即将到来的施工。
2. 2.The driver failed to observe the traffic sign and was fined for reckless driving.
   驾驶员未注意到交通标志，因鲁莽驾驶被罚款。
3. 3. The children were instructed to follow the traffic sign and stay on the right side of the road.
   孩子们被告知要遵循交通标志，并保持在道路右侧。