Galko's skin got really dark as a result of tanning.
Otako comments that since Galko's skin has tanned so much, her nipples must be dark as well. Along with Ojou, Otako yells that Galko has dark nipples.
So, in this instance, if A and B connect...
لِذا في هذا المثال، إن وصلتُ أ و ب
Wenn sich in diesem Beispiel
A und B also verbinden …
Alors, dans ce cas,
quand A et B sont reliés…
Pertanto, in quest'esempio, collegando A e B...
Portanto, neste caso, 
se A e B estiverem juntos...