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A testicle is one of the two round organs in a male body that make sperm. They sit in a bag of skin, the scrotum, behind and below the penis.
A testicle is one of the two round organs in a male body that make spermtesticle是男性身體裡負責製造精子的兩個圓形器官之一 They sit in a bag of skin, the scrotum它們位在一個皮膚囊袋裡，叫做scrotum（陰囊） behind and below the penis在陰莖後下方
Testicle is the ordinary, neutral word — the word a doctor uses with a patient, the word a health uses. It is not rude, but because of what it names, English speakers rarely say it in casual conversation; between friends and in jokes people use slang words instead (balls, and others).
Testicle is the ordinary, neutral wordTesticle是中性、普通的字 the word a doctor uses with a patient, the word a health leaflet uses是醫生跟病人講話會用的字，也是健康傳單上會用的字 It is not rude它並不粗俗 but because of what it names但因為它指的東西的關係 English speakers rarely say it in casual conversation英語使用者很少在輕鬆的對話裡講出來 between friends and in jokes people use slang words instead (balls, and others)朋友之間、開玩笑時，大家會改用俚語（balls，還有其他說法）
The plural is testicles. Doctors also say , plural , which is the Latin form and feels more technical.
The plural is testicles複數是testicles Doctors also say testis, plural testes醫生也會說testis，複數testes which is the Latin form and feels more technical這是拉丁文的形式，聽起來更專業
If you ever need to talk to a doctor in English about this part of the body, testicle is exactly the right word to use, and there is no need to feel by it.
If you ever need to talk to a doctor in English about this part of the body如果你哪天需要用英文跟醫生講到這個部位 testicle is exactly the right word to usetesticle就是最正確的用字 and there is no need to feel embarrassed by it完全不用因為講出來而覺得不好意思
組成From Latin testiculus, the little form of testis. Latin testis also meant 'a witness', and the standard explanation is that the organ was seen as a witness to a man's manhood — though scholars have argued about that connection for a long time.
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
testiclenoun/ˈtɛstɪkəl/
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A testis: the male sex and endocrine gland, found in most types of animals, that produces sperm and male sex hormones, including the steroid testosterone.
- In France, Mme. de Pompadour was induced by Louis XV to eat such testicles in order to break down her frigidity.
- Despite your jogging and the hairiness of your legs, the shoe of aging is beginning to pinch. Soon you'll regret all that sun-tanning. Your face will look like a testicle.
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Either half of the structure that contains the testes: one side of the scrotum and its contents, considered as one object (one half of the ballsack, including its ball).
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。