词根：juven = young 年轻, 年少
来自拉丁语的juven意为young。
同源词：
1. rejuvenate（使重新变年轻 re(=again) + juven(=young)）
v.（使）变年轻；（使）恢复活力
rejuvenation n. [见上，-ition名词后缀] 返老还童
rejuvenesce v. [见上，-esce动词后缀] 使返老还童，返老还童
rejuvenescence n. [见上，-escence名词后缀] 返老还童
rejvenescent adj. [见上，-escent形容词后缀，…的] (使)返老还童的
rejuvenator n. [见上，-ator表示人或物] (使)恢复青春活力的人(或物)
Those two weeks in florida rejuvenated me. I fell ten years younger.在佛罗里达度过的两周使用我恢复了活力，我感觉自己好像年轻了十岁。
2. juvenile [juven年少，-ile形容词后缀，…的]
adj.少年的；适合少年的 n.少年
juvenile appearance 童颜
juvenile court 少年法庭
juvenile part/role儿童角色
juvenile literature 青少年文学
juvenile delinquent 少年犯
juvenile delinquency 少年犯罪
例句：
同源词：
1. an increase in juvenile delinquency
青少年犯罪的增加
来自《权威词典》
2. Don't be so juvenile! 别那么孩子气！
来自《权威词典》
3. For a grown man he acted in a very juvenile manner. 身为成年人，他的行为举止显得十分幼稚。
来自《简明英汉词典》
4. The authorities are at their wits' end about juvenile delinquency. 当局对青少年犯罪束手无策。
来自《简明英汉词典》
5. Shortly Tom came upon the juvenile pariah of the village. 不一会儿，汤姆碰上了村里的少年弃儿。
柯林斯高阶英汉双解学习词典例句：
1. N-COUNT
可数名词 少年
The number of juveniles in the general population has fallen by a fifth in the past 10 years.
总人口中少年所占比例在过去10年中下降了1/5。
2. 用作形容词 (adj.)
少年的；未成年的
Juvenile crime is increasing at a terrifying rate.
青少年犯罪正在以惊人的速度增长。
I'm afraid he'll ultimately become a juvenile delinquent.
我恐怕他最终会成为一名青少年罪犯。
They are holding a forum on juvenile delinquency.
他们正举行一个有关青少年犯罪的讨论会。
He is an expert in juvenile delinquency.
他是研究青少年犯罪的专家。
He wrote down to the juvenile readers.
他为青少年读者写浅显的作品。
For a grown man he acted in a very juvenile manner.
作为一个成年人，他的举止显得十分幼稚。
3. ADJ-GRADED
能被表示程度的副词或介词词组修饰的形容词
（行为）幼稚的，不成熟的，孩子气的
He's a typical male, as he gets older he becomes more juvenile.
他是个典型的男人，年龄越大越孩子气。
4. N-COUNT
可数名词
幼仔；幼兽;雏鸟 Young animals are sometimes referred to as juveniles .
5.用作名词 (n.)
They are holding a forum on juvenile delinquency.
他们正举行一个有关青少年犯罪的讨论会。
He wrote down to the juvenile readers.
他为青少年读者写浅显的作品。
At first this shop sold newspapers and magazines only, but it has since put in juvenile books.
这家商店起初只出售报纸和杂志，后来又增售青少年读物。
词根：verg = to turn, to bend（倾向；倾斜）
来自拉丁语的verg 意为to turn,to bend。同义词根有来自拉丁语的vert/vers,rot 和来自希腊语的stroph,以及来自盎格鲁-撒克逊语的tour等。
（*拉丁文vergere(=to incline) —— 英文根字典）
同源词：
1. divergent（分别转换方向的di<dis(=apart) + verg(=turn,bend)）
adj.（线、路等）分叉的；意见等有分歧的；不同的
diverge v. 分叉；分歧
divergence /divergency 分歧；偏离；相异，差异
My sister and i have divergent opinions on almost every topic imaginable. 我妹妹和我几乎在所有可以想象到的话题上意见都不一致。
2. converge （一起、同时朝向心地点 con<com(=together) + verg(=turn,bend)）
vt. 集中于一点；人、车等聚集；（意见、行为等）趋于一致；收敛
convergence n.会合
convergent adj.会集于一点的
The coyotes converged on the fallen caribou and devoured it. 效狼聚集到倒下的驯鹿旁将它吞食掉了。
3. verge
n.边缘，界限，边际 v.接近，濒临
词根词缀：allo-, all-
【来源及含义】Greek: different, other, another; divergence; a combining form denoting a condition differing from the normal or a reversal, or referring to "another"
【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing": ali-; alter-; allelo-; hetero-; mut-; poikilo-; reciproc-; vari-.
【同源单词】allegory, allenthesis, allergen, allergization, allergy, allesthesia
词根词缀：foll-, folli-
【来源及含义】Latin: bag; bellows; windbag; moneybag
【同源单词】folleatus, follically challenged, follicle, follicle mite, folliclis, follicular
词根词缀：-fute, -futable
【来源及含义】Latin: to strike down, to hit; to challenge; to prove wrong, to refuse, to reject
【同源单词】confutable, confutant, confutation, confutative, confute, confuter