speech

Compared meaning: a formal talk to an audience (noun).

比较义项：正式演讲、演说（名词）。

• address

  More formal and ceremonial than speech; often the fixed term for a set-piece talk given by a leader or official on a serious public occasion.

  比speech更正式、更具仪式感，常用于指领导人或官员在重要公开场合发表的固定形式讲话。

  Every January the president gives the State of the Union address to Congress.

  每年一月，总统都会向国会发表国情咨文演说。

• speech 本词

  The general, everyday word for a formal talk to an audience; used for almost any occasion, from a school assembly to a wedding toast.

  是更普通、更日常的用词，指对听众发表的正式谈话，几乎适用于任何场合，从学校集会到婚礼祝酒词都可以使用。

  My little sister was too shy to give her speech at the school assembly.

  我妹妹太害羞了，不敢在学校集会上发表她的演讲。

Address and speech both mean a formal talk to an audience. Address is formal and ceremonial, often the term for a leader's talk. Speech is the everyday word for any talk, from school events to weddings. Address's 'location' and 'speak to' senses are not compared.

address 和 speech 在“正式演讲”这个意义上很接近，但 address 更正式、更具仪式感，常用于领导人或官员在重要场合发表的讲话；speech 是更常见的日常用词，几乎任何正式讲话场合都能使用。这里不比较 address 的“地址”义，也不比较它作动词时“向……讲话、处理（问题）”的义项。