介詞

介 = 人 + 丿 + 丨 : Mnemonic symbol: 介 looks like a rocket 🚀. Neanderthal Man (人) and Joan of Arc (ji) are preparing a rocket (介) for its start. Between (介) the layers of the outer shell (介) they are stuffing bananas (丿) and dinosaur bones (丨).

词 = 司 + 讠 : The King of Chu (c) has to listen to a boring lecture by a manager (司) just inside the space station's entrance (Ø2). The manager just wrote every word (词) of his speech (词) on an advertising column (讠) and is just reading the speech word by word.