play up的音标：...

努力， 积极地比赛，夸大，为…做广告...

lay up的音标：lay up的英式发音音标为：[lei ʌp]lay up的美式发音音标为：[le ʌp]...

Bill had to lay up his boat when school started.开学后,比尔只得把他的船放置起来.I told them not to lay up treasure in this world.我叫他们别在这个世界上积攒财宝.Bees lay up honey for the winter.蜜蜂为过冬贮存蜂蜜....

放置不用，贮存，储蓄，使（某人）待在床上或室内...