去年我是一个微积分学助教。

Last year I was a TA for calculus.

Source: Tatoeba

Sentence Composition

1 去年 qùnián last year
2 我 wǒ
  1. I
  2. me
  3. my
=3 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=3 是 shì variant of 是 shì
=4 一个 yīge
  1. a; an; one
  2. the whole (afternoon, summer vacation etc)
=4 一个 yīgè
  1. Combination of the numeral 一 (“one”) and the generic classifier 個／个: a; an; one
  2. same
5 微积分学 wēijīfēnxué
  1. infinitesimal calculus
  2. calculus
6 助教 zhùjiào teaching assistant