我正在开发一个安卓应用。

I'm developing an Android application.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 正在 zhèngzài to be in the process of (doing sth); to be currently ...-ing
3 开发 kāifā to exploit (a resource); to open up (for development); to develop
=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 安卓 Ānzhuó Android (operating system for mobile devices)
6 应用 yìngyòng
  1. to put to use; to apply
  2. practical; applied (science, linguistics etc)
  3. application; practical use
  4. (computing) app