proper
英 ['prɒpə(r)]美 ['prɑːpər]
adj.合适的；正当的；真正的
1. ( correct, fitting ) [ +equipment, place，+procedure, way, manner，+word, term ] 合适的；恰当的，适当的，正确的；合适的
You have to have the proper equipment.
你得有合适的设备。
the safe and proper use of such kits
此类装备的安全与恰当使用
He helped to put things in their proper place.
他帮忙把东西放置妥当。
The proper procedures have been followed.
已遵循恰当的程序。
What's the proper way of doing this calculation?
这个计算用什么方法合适？
at the proper time
( appropriate time, set time ) 在适当的时候