Spread这个词汇的意思是伸开或展开，其复数形式是spreads。动词的过去式、过去分词、现在分词以及第三人称单数形式分别是spread、spread、spreading和spreads。Spread在句子中可以表示疾病、信息或谣言的传播，如"The conditions are ripe for the spread of disease"意味着疾病的传播条件已经成熟，"Sex education is also expected to help check the spread of AIDS"则强调性教育对遏制艾滋病蔓延的作用。公众对疾病蔓延的担忧促使某举措出台，如"follows growing public concern over the spread of the disease"。此外，它还可以用于反对核武器扩散的呼吁，如"He campaigned for peace and against the spread of nuclear weapons"，而"He was fed-up with the lies being spread about him"则表达了对他人传播谎言的不满。通过这些例子，我们可以直观地看到Spread在描述各种传播现象时的应用。