彼女は講義中に集中力が続かない

彼女: she, her, girlfriend, sweetheart
は: a, the, is, am, are, will
講義: lecture, course, seminar
中: in, m, during, inside, while, middle, medium
に: in, to, on, at, into, upon
集中: focus, concentrate, intensive, concentration, concentrated, centralized
力: power, strength, force, ability, might, stress, energy, emphasis, capability, vigor
が: is, there, but, ga, will, however
続く: last, continue, follow, following, proceed
ない: no, not, don't, without, missing, absent