bug, insect, pest, worm

名詞 insect:

1. small air-breathing arthropod
2. a person who has a nasty or unethical character undeserving of respect
   同義詞：worm, louse, dirt ball

1. Not a leaf nor an insect stirred.
   不單是樹葉，連個蟲子都不動。
2. She stamped on the insect and killed it.
   她踩死了一只蟲子。
3. Any of various crawling insect larvae, such as a grub or a caterpillar, having a soft, elongated body.
   幼蟲幾種爬行昆蟲幼蟲的一種，如蛆或毛毛蟲，有柔軟的，細長的身體
4. Most of us would draw the line somewhere, like the man who said he'd try anything once except insect and folk dancing.
   就像那個說他除了昆蟲和民間舞蹈啥都想試試的人一樣，我們大多數(shù)人心里都有個人界線，知道該在哪兒收手。
5. A cocoon is a kind of silk covering made by an insect.
   蠶繭是由昆蟲制造的一種由絲組成的外包層。
6. A locust is a kind of destructive insect.
   蝗蟲是一種害蟲。

in.sect

n.（名詞）

Any of numerous usually small arthropod animals of the class Insecta, having an adult stage characterized by three pairs of legs and a body segmented into head, thorax, and abdomen and usually having two pairs of wings. Insects include the flies, crickets, mosquitoes, beetles, butterflies, and bees.
昆蟲：數(shù)量眾多，通常為昆蟲綱的小型節(jié)肢動物，成年期中有三對足，身體分成頭、胸和腹三部分，通常有兩對翅膀。昆蟲包括蒼蠅，蟋蟀，蚊子，甲蟲，蝴蝶和蜜峰
Any of various similar arthropod animals, such as spiders, centipedes, or ticks.
蟲：各種類似的節(jié)肢類動物，如蜘蛛，百足蟲或蟬
An insignificant or contemptible person.
小人：無足輕重或可鄙的人

來源：
Latin onsectum [from neuter past participle of] onsec3re [to cut up] translation of Greek entomon [segmented, cut up, insect] * see entomo-
拉丁語 onsectum [] 源自onsec3re的中性過去分詞 [切割] 希臘語 entomon的翻譯 [分割的，割碎，昆蟲] *參見 entomo-
in- [in] * see in- 2
in- [在里面] *參見 in-2
sec3re [to cut] * see sek-
sec3re [割] *參見 sek-

【引伸】
in.sect.
adj.（形容詞）
in.secti.val