潜质

潜 = 替 + 氵 : The Queen of Hearts (qi) emptied her water bottle (氵) and is aiming to replenish (替) it in the anthill's kitchen (an2). Secretly (潜) she fills her water bottle by submerging (潜) it in a big water-filled flower pot.

质 = ⺁ + 十 + 贝 : James II of England (zh) captured a crab (贝) and keeps it as a hostage (质) In the space station's bathroom (Ø4). James II of England wants to find out more about the nature (质) of the banana tree (⺁), so all the crab gets to eat is the banana trees. Secretly the crab set up a small cross (十) to which it prays everyday for its release.