“花茎”的拼音？

...

他弯下腰，用刀替她将花茎割断，然后将花递给她。He stooped down, cut the stem for her with his knife and handed her the flower.她在把郁金香插进花瓶之前修剪了花茎.She trimmed the stalks of the tulips before putting them in a vase.他把花茎折断,汁液就流了出来.The sap flowed out...