修剪去病枝、枯死的木质部，然后是互交的枝：目的是为了改善通风，减少疾病。

Remove diseased, dying or dead wood, then any stems that cut across each other: this improves air flow and lessens disease.

youdao

我们必须把病枝修剪掉。

We must cut out the diseased branches.

youdao

我们必须把病枝修剪掉。

We must cut out the diseased branches.

youdao