to grind

• tāzhèngzàiyánmókāfēidòu.

  他正在研磨咖啡豆。🔊

  He is grinding coffee beans.

study

• tāzhèngzàiyánjiūzhègewèntí.

  他正在研究这个问题。🔊

  He is studying this problem.

research

• tāzàiyánjiūzhōngguólìshǐ.

  他在研究中国历史。🔊

  He is studying Chinese history.

to grind

• tāzhèngzàiyánmókāfēidòu.

  他正在研磨咖啡豆。🔊

  He is grinding coffee beans.

study

• tāzhèngzàiyánjiūzhègewèntí.

  他正在研究这个问题。🔊

  He is studying this problem.

research

• tāzàiyánjiūzhōngguólìshǐ.

  他在研究中国历史。🔊

  He is studying Chinese history.