hay n.干草vt.制干草,供给干草...hay fever 枯草热,花草气喘,花粉病...hay-fever 枯草热...hay-bacillus 枯草杆菌...make hay while the sun shines 抓紧时机...look for a needle in a bottle of hay 大海捞针...hay-asthma 枯草气喘,花草气喘...perennial hay-fever 常年性枯草热...make hay out of 使对己有利...nonseasonal hay fever 非季节性枯草热,长年性枯草热...seasonal hay fever 季节性枯草热...spring hay-fever 春令枯草热...hay filter 枯草过滤器(用于过滤含油废水)...hay asthma 花草气喘,枯草热,花粉病...hay bacillus 枯草杆菌...make hay of 使混乱...Hay bridge 海氏电桥...
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