yuánlín / gōngrén / huì / dìngqī / xiūjiǎn / xuánlíngmù / yǐ / bǎochí / xíngdàoshù / de / tōngfēng / hé / ānquán

园林工人会定期修剪悬铃木，以保持行道树的通风和安全。

Garden workers regularly prune plane trees to maintain the ventilation and safety of roadside trees.