del·ta

noun

/ˈdeltə/

[countable] the fourth letter of the Greek alphabet (Δ, δ)希腊字母表的第 4 个字母
[countable] an area of land, like a triangle in shape, where a river has split into several smaller rivers before entering the sea三角洲
- the Nile Delta尼罗河三角洲
Topics Geographyc2
Delta
[uncountable] a variant (= form) of the SARS-CoV-2 virus that was first reported in late 2020 and named ‘Delta’ in 2021. It became the main form of the virus worldwide until the Omicron variant appeared in late 2021.SARS-CoV-2 病毒的一种变体（= 形式）于 2020 年底首次报道，并于 2021 年命名为“Delta”。它成为全球病毒的主要形式，直到 2021 年底出现 Omicron 变体。
- The Delta variant proved to be more transmissible than earlier variants of the virus.事实证明，Delta 变种比该病毒的早期变种更具传播性。
Topics Health problemsc2

Word Originsense 1 Greek, from Phoenician daleth.sense 2 mid 16th cent.: originally specifically as the Delta (of the River Nile), from the shape of the Greek letter.

Del·ta

noun

/ˈdeltə/

[uncountable]

a British qualification from the University of Cambridge now called the ‘Diploma in Teaching English to Speakers of Other Languages’ for experienced teachers of English as a foreign language (the abbreviation for ‘Diploma in English Language Teaching to Adults’) 三角洲：剑桥大学的英国学历，现在称为“向其他语言的英语授课文凭”，适用于经验丰富的英语作为外语的老师（“成人英语教学文凭”的缩写）

单词	delta
释义	del·ta noun /ˈdeltə/ /ˈdeltə/ [countable] the fourth letter of the Greek alphabet (Δ, δ)希腊字母表的第 4 个字母 [countable] an area of land, like a triangle in shape, where a river has split into several smaller rivers before entering the sea三角洲 the Nile Delta尼罗河三角洲 Topics Geographyc2 Delta [uncountable] a variant (= form) of the SARS-CoV-2 virus that was first reported in late 2020 and named ‘Delta’ in 2021. It became the main form of the virus worldwide until the Omicron variant appeared in late 2021.SARS-CoV-2 病毒的一种变体（= 形式）于 2020 年底首次报道，并于 2021 年命名为“Delta”。它成为全球病毒的主要形式，直到 2021 年底出现 Omicron 变体。 The Delta variant proved to be more transmissible than earlier variants of the virus.事实证明，Delta 变种比该病毒的早期变种更具传播性。 Topics Health problemsc2 Word Originsense 1 Greek, from Phoenician daleth.sense 2 mid 16th cent.: originally specifically as the Delta (of the River Nile), from the shape of the Greek letter. Del·ta noun /ˈdeltə/ /ˈdeltə/ [uncountable] a British qualification from the University of Cambridge now called the ‘Diploma in Teaching English to Speakers of Other Languages’ for experienced teachers of English as a foreign language (the abbreviation for ‘Diploma in English Language Teaching to Adults’) 三角洲：剑桥大学的英国学历，现在称为“向其他语言的英语授课文凭”，适用于经验丰富的英语作为外语的老师（“成人英语教学文凭”的缩写）
随便看	at any moment now at any price at any rate at-any-rate at a/one go \| at/in a single go at a pinch at a premium at a price at a push atar at a rate of knots at-arms-length at-a-single-cast at a (single) glance at a single glance at a single go \| at a go at a (single) stroke \| at one stroke at a single stroke \| at one stroke at a snail’s pace at a steady clip a taste/dose of your own medicine a taste of your own medicine at a stroke \| at one stroke at a tender age \| at the tender age of… at a/the crossroads