Wireless mode "bridge" only works, if AP is mikrotik as well.
There are some less favourable alternatives but might not work as intended. Read about them in this article:
https://wiki.mikrotik.com/wiki/Manual:W ... tion_Modes
Reading the document one would assume that "station-pseudobridge-clone" is flawless. In practice it might not be. The first thing is DHCP server which might not be happy to assign multiple IP addresses to clients which appear to use same MAC address. Then there's problem with broadcasts and multicasts. Or with any protocol other than IPv4 or IPv6. But in certain conditions it works just fine, so you'll have to try if it fits your particular use case.