1
a/an + dahlia
dahlia 是可数名词，单数前需加冠词。
She gave me a dahlia.
她给了我一朵大丽花。
大丽花
dahlias — plural of dahlia
先理解核心含义，再看它在真实句子里的用法。
大丽花
a plant with tuberous roots and showy, variously colored flower heads, native to the mountains of Mexico and Central America and Colombia
She gave me a dahlia.
她给了我一朵大丽花。
大丽花属植物的通称,原产墨西哥的块茎多年生开花植物。
Any plant of the genus Dahlia, tuberous perennial flowering plants native to Mexico.
从大丽花属植物发展而来的植物,具有块根和色彩艳丽的花头；原产于墨西哥、中美洲和哥伦比亚的山区
any of several plants of or developed from the species Dahlia pinnata having tuberous roots and showy rayed variously colored flower heads; native to the mountains of Mexico and Central America and Colombia
She planted a dahlia in the front garden, and its bright red flowers bloomed all summer.
她在前花园种了一株大丽花，整个夏天都开着鲜红的花朵。
The florist arranged purple dahlias with white roses for the wedding bouquet.
花艺师为婚礼花束搭配了紫色大丽花和白玫瑰。
In autumn, the dahlia tubers must be dug up and stored in a cool, dry place.
秋天，必须把大丽花的块茎挖出来，存放在阴凉干燥的地方。
dahlia 是可数名词，单数前需加冠词。
She gave me a dahlia.
她给了我一朵大丽花。
复数形式为 dahlias。
Dahlias bloom in late summer.
大丽花在夏末开花。
the + 单数可用来泛指某一类事物。
The dahlia is a popular garden plant.
大丽花是一种常见的花园植物。
Not this
I bought a dahlia flower.
Use this
I bought a dahlia.
dahlia 本身即指大丽花，再加 flower 是受中文“大丽花”字面影响造成的冗余；英语中 a dahlia 已表达完整意义。
Not this
The garden has many dahlia.
Use this
The garden has many dahlias.
dahlia 是可数名词，复数形式为 dahlias；many 后需用复数。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
大丽花块茎
Store dahlia tubers in a cool, dry place over winter.
将大丽花块茎存放在凉爽干燥的地方过冬。
种植大丽花
We plant dahlias in May when the soil has warmed up.
我们在五月土壤回暖时种植大丽花。
大丽花花朵
The dahlia blooms are especially vivid after a light rain.
雨后的大丽花花朵格外鲜艳。
大丽花园
The dahlia garden in the park attracts many visitors.
公园里的大丽花园吸引了许多游客。
Use dahlias naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 dahlia 记成“达丽雅”，一位穿艳丽裙装的姑娘，裙摆层层如大丽花花瓣。
语域：neutral 常见场景：gardening、flower shows、everyday conversation 大丽花是常见花卉名，在园艺、花展以及日常交谈中都比较常用，属于中性词汇。
没有与 /ˈdæljə/ 完全押韵的常见英语单词。下面这些词拼写都以 -ia 结尾，但重音或元音不同：camellia /kəˈmiːliə/、gardenia /ɡɑːrˈdiːniə/、magnolia /mæɡˈnoʊliə/、begonia /bɪˈɡoʊniə/、fuchsia /ˈfjuːʃə/、cilia /ˈsɪliə/。请把它们看作形近词，而不是押韵词。
Dictionary facts from ECDICT, WIKTIONARY.