bolster /ˈbəulstə/ I. vt.支持；支撑；鼓舞：The fall in interest rates is starting to bolster confidence.利率的下调增强了人们的信心。Pillars bolster the roof. 柱子支撑屋顶。He tried to bolster up their morale.他尽力鼓舞他们的士气。II. n. [c] 长枕，垫枕：He used a couple of bolsters to elevate his head.他用两个垫枕垫头。