点击下方单词,选择对的这个单词
1. 光盘;光碟;激光唱片CDs are small plastic discs on which sound, especially music, is recorded. CDs can also be used to store information which can be read by a computer. CD is an abbreviation for (缩略=) 'compact disc'.
多通过句子记忆单词，而不是单独死记硬背。
