到达以后 meaning in English

a.a after arrival
after arrival

9 - can you book extra classes when you arrive
9 -到达以后可以再于订额外课程吗
The center is locked down . no one has left since we arrived
中心已被全面封锁。自从我们到达以后，没有人离开。
He had arrived in canada on friday and the culture shock was overwhelming
他是星期五到达加拿大的，到达以后的文化冲击使他感到困惑。
The unit arrived after the municipal department and took a long time to determine that they needed to approach the aircraft to extinguish the fires and protect the people
该单位在市政部门到达以后才到达，并且花了很长时间决定是否需要接近飞机扑灭大火和保护受难者。
The shelter in phase one provides emergency shelter on route to safer locations , on arrival the transition shelter utilises local materials ( grass and sticks ) to increase in size
第一阶段提供紧急迁徙到安全地带的需要，到达以后利用当地的原料（草料和木材）进行扩建。