[N-COUNT 可数名词](河流在入海处形成的)三角洲 A delta is an area of low, flat land shaped like a triangle, where a river splits and spreads out into several branches before entering the sea.
[oft n N]
...the Mississippi delta.
密西西比河三角洲
Oxford
DELTA/ˈdeltə; NAmEˈdeltə/noun[uncountable ]the abbreviation for ‘Diploma in English Language Teaching to Adults’(a British qualification from the University of Cambridge for experienced teachers of English as a foreign language) 成人英语教学文凭(全写为 Diploma in English Language Teaching to Adults,英国剑桥大学为有经验的、教授英语作为外语的教师颁发的资格证书)DELTA/ˈdeltə; NAmEˈdeltə/delta/ˈdeltə; NAmEˈdeltə/noun1the fourth letter of the Greek alphabet (δ, Δ) 希腊字母表的第 4 个字母2an area of land, shaped like a triangle, 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deltadeltasdelta/ˈdeltə; NAmEˈdeltə/
LDC
deltadel‧ta /ˈdeltə/ noun [countable]
Word Origin
Examples
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1the fourth letter of the Greek alphabet2an area of low land where a river spreads into many smaller rivers near the sea: the Nile delta
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