Breakdown of xǐyījī zhèngzài tuōshuǐ.
Questions & Answers about xǐyījī zhèngzài tuōshuǐ.
Yes. 在 and 正在 can both show an ongoing action.
- 洗衣机在脱水
- 洗衣机正在脱水
Both are natural.
The difference is that 正在 often sounds a little more explicit or slightly more formal/emphatic about right now.
In everyday speech, 在 is very common.