1
a/an + insect
元音音素开头，使用冠词 an。
I saw an insect on the leaf.
我在叶子上看到一只昆虫。
昆虫
先理解核心含义，再看它在真实句子里的用法。
昆虫
small air-breathing arthropod
I saw an insect on the leaf.
我在叶子上看到一只昆虫。
一种节肢动物(昆虫纲),具有六条腿,最多四个翅膀,和角质外骨骼。
An arthropod (in the Insecta class) characterized by six legs, up to four wings, and a chitinous exoskeleton.
小型呼吸空气的节肢动物
small air-breathing arthropod
品行卑劣或不道德的人,不值得尊重
a person who has a nasty or unethical character undeserving of respect
The insect landed on the flower and began to collect nectar.
那只昆虫落在花上，开始采集花蜜。
She studied the insect's anatomy under a microscope.
她在显微镜下研究了这种昆虫的解剖结构。
Many insects have compound eyes that detect movement well.
许多昆虫有能够很好地探测运动的复眼。
元音音素开头，使用冠词 an。
I saw an insect on the leaf.
我在叶子上看到一只昆虫。
复数形式加 -s。
There are many insects in the garden.
花园里有很多昆虫。
Not this
I saw insect in the garden.
Use this
I saw an insect in the garden.
可数名词单数前需加冠词，中文没有冠词概念，容易遗漏，应使用不定冠词an。
Not this
There are many insect in the field.
Use this
There are many insects in the field.
可数名词复数需加-s，中文无复数变化，易误用单数形式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
昆虫种类
There are millions of insect species on Earth.
地球上昆虫种类数以百万计。
昆虫叮咬
I got an insect bite on my arm.
我胳膊被虫子叮了一下。
驱虫剂
Apply insect repellent before going hiking.
去远足前涂上驱虫剂。
益虫
Ladybugs are beneficial insects that eat aphids.
瓢虫是吃蚜虫的益虫。
社会性昆虫
Ants are social insects that live in colonies.
蚂蚁是群居的社会性昆虫。
可鄙的人
He is a contemptible insect, cheating his own friends.
他是一个可鄙的人，连朋友都骗。
我是一只梦想成为人类的昆虫。
In the 1986 film The Fly, Seth Brundle, after his transformation, says this line.
在1986年的电影《变蝇人》中，赛斯·布伦德尔在变身之后说了这句话。
Use insect naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“in”在内部，“sect”部分，昆虫身体分为头胸腹三部分。
昆虫：中性语域，常见于科普文章、日常对话等语境。卑鄙的人：贬义语域，多用于非正式场合，如吵架或文学贬损，需谨慎使用。
可数名词，复数加-s
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.