(fandom slang, film, television, ACG) a fanservice scene (an often racy or sexual scene included in a work of fiction merely to excite the viewer)

(grammar) a plural form of a word

(literally) sniff around / (figuratively) nose around, snoop

to pay attention to details

複素数: (complex analysis) complex number

肺: (anatomy) lung

lip service, empty talk

good command of, full use of

to make excellent use of, to have a good command of

(historical) jiedushi (regional military governor in China during the Tang dynasty and the Five Dynasties and Ten Kingdoms period)