A condom is a thin rubber (or similar) cover a man wears over his penis during sex. It has two jobs: to help stop a baby from being made, and to help stop some diseases from passing between people.

A condom保險套 is一種 a thin rubber (or similar) cover薄薄的橡膠（或類似材質）套子 a man wears over his penis during sex男生在性行為時會套在陰莖上的東西。It它 has two jobs有兩個作用 to help stop a baby from being made一個是幫忙避免懷孕 to help stop some diseases from passing between people另一個是幫忙防止某些疾病在人與人之間傳染。

There are also condoms made for other kinds of sex; the idea is the same — a barrier.

There are also有些 condoms made for other kinds of sex保險套是為其他性行為方式做的 the idea is the same但概念是一樣的 a barrier都是一層阻隔。

It is a normal, necessary word. Doctors, sex education, and the packet in a shop all use it. Some people feel shy saying it; that is why friends and shops may use other names. None of that makes the word dirty — it makes it a word some people whisper, which is different.

It它 is a normal, necessary word是個正常、必要的詞。Doctors醫生 sex education性教育 and the packet in a shop以及店裡商品包裝上 all use it都會用這個詞。Some people feel shy saying it有些人會不好意思說出口 that is why所以 friends and shops朋友之間或店家 may use other names可能會用別的說法。None of that但這一切 makes the word dirty都不會讓這個詞變得下流 it makes it a word some people whisper只是讓它變成一個有些人會小聲說的詞 which is different這是不一樣的兩件事。

Nobody is sure where the English word came from. There are many guesses. One is an old Italian word for a kind of glove. Treat that as a maybe, not a fact.

Nobody is sure沒有人確定 where the English word came from這個英文字是從哪裡來的。There are many guesses猜測有很多種。One is an old Italian word for a kind of glove其中一種說法是它來自義大利文裡一個指「手套」的舊字。Treat that as a maybe, not a fact這只能當成一種可能，不是確定的事實。

What you can stand behind is what it is for.

What you can stand behind你可以確定的 is是 what it is for它的用途。