湧入

涌 = 氵 + 甬 : Yu the Great (yu) is playing a game inside of the engine ((e)ng3). She is submerging bottles of air (氵) under a Yongzhong bell (甬), which is under water. As she turns over the bell after accumulating a lot of air, many bubbles rush forth (涌).

入 = 丿 + ㇏ : Mnemonic symbol: a big enter button.

入 = 丿 + ㇏ : Some aliens have disguised themselves as banana and float by the space station's bathroom. Rachel Rhinoceros sees them and because she loves bananas, she presses a big enter button with her finger to let them enter.