Spring ploughing is in full swing.

春耕闹得正欢。

We spent most of March ploughing.

三月份的大部分时间我们在春耕。

They are busy with spring ploughing.

他们正在忙着春耕。

Our gunboats are ploughing the waves.

我军炮艇正在破浪前进。

Repair farm tools to prepare for spring ploughing.

修好农具准备春耕。