2VERB 巩固(地位);加强 If someone tries to bolster their position in a situation, they try to strengthen it. 巩固(地位);加强 [Also VERB n PREPOSITION]
Britain is free to adopt policies to bolster its economy. [VERB noun]
英国可以自由制定政策以振兴经济。
Bolster up means the same as bolster .bolster up同bolster
...an aid programme to bolster up their troubled economy.
旨在改善他们国家经济困境的援助计划
3N-COUNT (垫在普通枕头下的)长枕,垫枕 A bolster is a firm pillow shaped like a long tube which is sometimes put across a bed under the ordinary pillows. (垫在普通枕头下的)长枕,垫枕