a prominent
此处 prominent 是名词，指蛾类，与形容词含义不同。
A prominent rested on the leaf.
一只舟蛾停在叶子上。
翅内缘有明显突出的各种蛾类。
a type of moth with a noticeable projection on the inner edge of its wings
翅内缘有明显突出的各种蛾类。
Any of various moths having a conspicuous projection on the inner margin of the wings.
A prominent landed on the porch light last night.
昨晚一只舟蛾落在了门廊的灯上。
用法提示：这里 prominent 是名词，指一种蛾类（舟蛾）。
The children found a prominent with feathery antennae in the garden.
孩子们在花园里发现了一只长着羽毛状触角的舟蛾。
用法提示：prominent 作可数名词，表示舟蛾。
Some prominents rest with their wings spread flat against the bark.
有些舟蛾休息时翅膀平贴在树皮上。
用法提示：prominents 是 prominent 的复数形式，指多只舟蛾。
此处 prominent 是名词，指蛾类，与形容词含义不同。
A prominent rested on the leaf.
一只舟蛾停在叶子上。
复数形式为 prominents，定冠词加复数表示特定群体。
The prominents emerge in late spring.
这些舟蛾在晚春出现。
裸复数形式泛指这一类蛾。
Prominents are often attracted to light.
舟蛾常被灯光吸引。
grammar · medium
易错句子I caught prominent in the forest.
正确表达I caught a prominent in the forest.
prominent 在此是可数名词单数，指一只舟蛾；英语中可数名词单数前通常需要冠词，所以应加 a。
grammar · medium
易错句子There are several prominent on the tree.
正确表达There are several prominents on the tree.
prominent 是可数名词，复数形式为 prominents；汉语名词没有复数变化，但英语中 several 后要用复数形式。
prominent（名词）指一种蛾，因翅缘突起而得名；prominence 则指“突起/隆起”或天文“日珥”，并非生物名称。二者词形相近，但词义范畴不同。
舟蛾
A prominent moth has a projection on the inner margin of its wings.
舟蛾翅膀内缘有一个突起。
舟蛾类
The prominents are most active at night.
舟蛾类在夜间最为活跃。
pro-（向前/向外）+ min-（突出）+ -ent（后缀；此处名词化指蛾类）。同前缀：progress、promote；同根：eminent、imminent。
蛾类的幼虫阶段，与成虫的翅膀和触角形态不同。
蛾类幼虫化蛹时吐丝形成的保护结构。
蛾类头部用于嗅觉和触觉的感觉器官。
多数蛾类在夜间活动，这一习性常与翅上的明显特征一同被提及。
这类蛾的翅膀内缘有明显的突出部分，是识别特征之一。
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.