The cold wind blew over the bowed backs of the willows, so that they creaked again.
风儿把寒气吹在老柳树的背上，弄得它们发出飕飕的响声来。
2
The clients' small lot backs up to a preserve, where the forms of windswept trees and dunes record the intensity and direction of the constant coastal wind.
业主在一定程度上支持维持地块的现状，从树和沙丘形状就能看出海风的强度和方向。
3
But the guards outside were huddled by the doors, backs turned against the icy wind and blown snow.