Many plants produce a pair of buds on opposite sides of the stem, in which case prune just above them.很多植物会在花梗对侧长出一对花苞，在这种情况下要把花苞以上部分剪掉。She trimmed the stalks of the tulips before putting them in a vase.她修剪了一下郁金香的花梗，然后把它们插进了花瓶。With a very fragile stem it is best to lay a stub-wire against it.对于纤弱的花梗，最好用一小段铅丝撑住。