sapless

debile, decrepit, feeble, infirm, rickety, sapless, weak, weakly.

体弱的，虚弱，虚弱的，虚弱，体弱的。

but now in vain does the busy art of man pretend to vie with nature, by tying that withered bundle of twigs to its sapless trunk;

那时它枝繁叶茂，但现在却被人们将枯萎的小树枝绑在它干枯的干上，徒劳地假装和大自然相抗衡。