牲體

牲 = 牛 + 生 : The bull (牛) got a child and is watching over it in its cradle (生) in front of the engine ((e)ng1). He has to be very attentive because Sherlock Holmes (sh) wants to use the newborn as a sacrificial animal (牲).

体 = 亻 + 本 : Rosa Luxemburg envies Mother Teresa's hot body. She asks her how she can be such a hottie even when lifting is not possible, like in the space station's zero gravity, and Mother Teresa answers that it's because of the roots she's eating.