生态环境

生 = 牛 + 一 : Mnemonic symbol: a cradle.

Sherlock Holmes (sh) comforts a crying baby bull (牛) in a cradle (生) in front of the engine ((e)ng1) and plays him a tune on a flute (一).

态 = 太 + 心 : The empress dowager (太) asks Tecumseh (t) about his attitude (态) towards her in the airplane's bathroom (ai4). Tecumseh isn't sure himself and samples his hearts (心) on a scale from 1 to 10 with one bin per integer. After N is large enough, he sees that his attitude forms a Gaussian distribution (态) with a mean of 6.

环 = 不 + 王 : Helga Horse and Martin Luther King desperately want to play with the hula hoop loops hanging around just inside the anthill's kitchen, but there's a big forbidden sign clearly saying that they are not to play with the hula hoop loops.

环 = 不 + 王 : Helga Horse and Martin Luther King desperately want to play with the hula hoop loops hanging around just inside the anthill's kitchen, but there's a big forbidden sign clearly saying that they are not to play with the hula hoop loops.

境 = 土 + 竟 : Joan of Arc wants to start her own kingdom and starts with claiming her own territory in the engine's bathroom. She created some walls out of mud but because she has no money to pay, she has a very inexpensive border control consisting of Jacks in their boxes.