1. 一種規(guī)范或標(biāo)準(zhǔn)，用來指導(dǎo)或約束某些行為、活動(dòng)或程序的執(zhí)行。例如：

   The protocol for treating the infection was very strict.

   治療感染的規(guī)范非常嚴(yán)格。

2. 一種正式的外交禮儀或禮節(jié)，用來保證國際交往中的和諧與尊重。例如：

   The president followed the protocol when he visited the foreign country.

   總統(tǒng)在訪問外國時(shí)遵守了外交禮儀。

Protocol這個(gè)詞的詞源是從希臘語prōtókollon（卷軸上第一張紙，上面寫著目錄）演變而來的。Prōtókollon是由prōtos（第一）和kólla（膠水）組成的復(fù)合詞。

• prologue: 開場白，序言。例如：The prologue of the play was very intriguing. 這部戲劇的開場白非常吸引人。

• protoplasm: 原生質(zhì)，細(xì)胞質(zhì)。例如：Protoplasm is essential for life. 原生質(zhì)對(duì)生命至關(guān)重要。

• proton: 質(zhì)子。例如：A proton has a positive charge. 質(zhì)子帶正電。

There is a protocol for every situation?

It tells us what to do and what to say?

It helps us avoid confusion and frustration?

But sometimes it can also get in the way