彼女は秒単位で時間を計ってる

N5 彼女 kanojo she N3 秒 byou second (60th min) N3 単位 tan i unit, academic credit, measure N5 時間 jikan time N3 計 kei plan, total, sum

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N2 秒 byou second (1/60 minute), seconde, segundo (unidad de tiempo) N3 単 tan / hitoe simple, one, single N3 位 i / kurai, gurai rank, grade, throne N5 時 ji / toki, -doki time, hour, temps N5 間 kan, ken / aida, ma, ai interval, space, intervalle N4 計 kei / haka.ru, haka.rau plot, plan, scheme

N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information