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单词 delta
释义

del·ta

noun
/ˈdeltə/
/ˈdeltə/
  1. [countable] the fourth letter of the Greek alphabet (Δ, δ)希腊字母表的第 4 个字母
  2. [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
  3. 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
  4. 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]
  1. 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)
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更新时间:2025/3/15 22:21:41