1
seedling grows into [tree/plant]
grow into 表示“成长为”，后接最终长成的植物。
The seedling grew into a tall tree.
那棵幼苗长成了一棵高大的树。
幼苗；秧苗；树苗
先理解核心含义，再看它在真实句子里的用法。
幼苗；秧苗；树苗
young plant or tree grown from a seed
The seedling grew into a tall tree.
那棵幼苗长成了一棵高大的树。
由种子长成的幼小植物。
A young plant grown from seed.
从种子生长出的幼小植物或树
young plant or tree grown from a seed
任何幼小植物,尤其是:
Any young plant, especially:
I moved the tomato seedling to a larger pot so it could grow.
我把番茄幼苗移到了更大的花盆里，这样它就能长大了。
The seedlings need plenty of sunlight and water every day.
这些幼苗每天需要充足的阳光和水分。
Each spring, we plant one pine seedling behind the house.
每年春天，我们在屋后种一棵松树苗。
grow into 表示“成长为”，后接最终长成的植物。
The seedling grew into a tall tree.
那棵幼苗长成了一棵高大的树。
transplant 常以 seedlings 作宾语，表示“移栽幼苗”；into 后接移栽地点。
They transplanted the seedlings into the field.
他们把这些秧苗移植到了田里。
用 of 说明幼苗的来源植物，如 the seedling of an oak（橡树的幼苗）。
A seedling of the rare palm was protected by the gardeners.
一株珍稀棕榈的幼苗受到了园丁们的保护。
Not this
She bought seedling from the market.
Use this
She bought a seedling from the market.
seedling 是可数名词，单数作宾语时前面需要加冠词 a/an/the；中文没有冠词，所以学习者容易漏掉。
Not this
We should seedling the rice in the nursery.
Use this
We should grow rice seedlings in the nursery.
seedling 是名词，不能当动词用；汉语的“育苗”是一个动作，英语里要用动词 grow 加名词 seedlings 来表达。
Not this
The seedling grew to a strong tree.
Use this
The seedling grew into a strong tree.
表示“长成、变成”要用 grow into；grow to 后面通常接长度、高度等度量，不能接“树”这类表示结果的名词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
育苗盘
We sowed the seeds in a seedling tray.
我们把种子播在育苗盘里。
培育幼苗
Farmers raise seedlings in greenhouses before planting them.
农民在种植前在温室里培育幼苗。
移栽幼苗
Transplant the seedlings when they are about ten centimeters tall.
当幼苗大约十厘米高时进行移栽。
幼苗生长
Adequate sunlight is important for seedling growth.
充足的阳光对幼苗生长很重要。
幼苗期
The crop needs careful watering at the seedling stage.
这种作物在幼苗期需要仔细浇水。
苗圃幼苗
The nursery seedlings were sold to local farmers.
苗圃的幼苗卖给了当地农民。
发长 /iː/ 音 (如 see, free)
Use seedling naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
seed（种子）+ ling（音近‘灵’）→ 种子中冒出的小生命，就是幼苗、秧苗。
语域：neutral 常见场景：Gardening、Agriculture、Botany seedling 为中性词，通常用于园艺、农业或植物学等语境，口语和书面语中都可使用，无明显正式或非正式之分。
真正同韵的是 needling、wheedling（/ˈniːdlɪŋ/、/ˈwiːdlɪŋ/，重读元音及之后与 seedling /ˈsidlɪŋ/ 相同）。fiddling、meddling 拼写很像，但重读元音分别为 /ɪ/ 和 /ɛ/，不押韵；darling、sapling 仅共末尾 -ling，读音差异更大，注意不要按拼写类推。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.