1
be an ephemeral
an ephemeral 指某一种短命的东西（如只活一天的昆虫）。
The mayfly is an ephemeral.
蜉蝣是一种短命生物。
短命的事物；只持续很短时间的东西
先理解核心含义，再看它在真实句子里的用法。
短命的事物；只持续很短时间的东西
Something that lasts for only a short time; a short-lived thing.
The mayfly is an ephemeral.
蜉蝣是一种短命生物。
也指生命短暂的事物，如仅有一天翅膀形态的昆虫。
只持续很短时间的事物。
Something which lasts for a short period of time.
短命的事物,如仅有一天翅膀形态的昆虫
anything short-lived, as an insect that lives only for a day in its winged form
A snowflake is an ephemeral, vanishing as soon as it touches warm skin.
雪花是短暂之物，一碰到温暖的皮肤就消失了。
These meadow ephemerals bloom for just a few days each spring.
这些草地上的短命植物每年春天只开花几天。
Some artists focus on ephemerals like soap bubbles and falling petals.
有些艺术家专注于肥皂泡、飘落的花瓣这类短暂之物。
an ephemeral 指某一种短命的东西（如只活一天的昆虫）。
The mayfly is an ephemeral.
蜉蝣是一种短命生物。
there be + 复数名词表示存在；ephemerals 常用复数。
There are ephemerals after the rain.
雨后有一些短命生物。
such as 后接典型例子，用于列举。
Ephemerals such as mayflies live for just one day as adults.
诸如蜉蝣之类的短命生物，成年期只活一天。
Not this
The river bank was covered with ephemeral.
Use this
The river bank was covered with ephemerals.
ephemeral 是可数名词，复数形式是 ephemerals；中文干扰下学习者容易把它当作不可数名词而省略复数标记。指多个短命生物或事物时应加 -s。
Not this
Mayflies are ephemera that live only for a day.
Use this
Mayflies are ephemerals that live only for a day.
ephemera 是另一个词，指短暂有趣的事物（如旧门票、传单），不是 ephemeral 的复数。表达“短命生物”的复数要用 ephemerals。注意词形区别。
Choose the next layer that will help you use ephemeral with more confidence.
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
春季短生植物；春天短暂绽放的野花
Spring ephemerals bloom in the woods before the trees leaf out.
春天短暂的野花在树木长叶前于林中绽放。
沙漠短命植物
After a rare rain, desert ephemerals carpet the sand with color.
一场罕见的雨后，沙漠短命植物为沙地铺上色彩。
短暂的事物；转瞬即逝之物
His poems celebrate the ephemeral with quiet grace.
他的诗歌以宁静的优雅颂扬转瞬即逝之物。
Use ephemeral naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 ephemeral 联想成“一飞没了”：像蜉蝣朝生暮死，只活一天的昆虫，就是短命的事物。
语域：formal 常见场景：生态学、文学 ephemeral 作名词时比较正式，多用于学术或文学语境，指短命的事物（如短生植物或仅存活一天左右的昆虫），日常口语中很少使用。
复数形式为 ephemerals。
Dictionary facts from AI_FALLBACK, ECDICT, OCTANOVE, WIKTIONARY, WORDNET.