A T-shirt is a soft cotton shirt with short sleeves, no collar, no buttons, and a round opening at the neck that you pull over your head. It is called that because when you spread it flat, the body and the two sleeves make the shape of a capital T.

A T-shirt is是 a soft cotton shirt一件柔軟的棉上衣， with short sleeves短袖、 no collar沒領子、 no buttons沒釦子， and a round opening at the neck領口是圓的開口， that you pull over your head從頭套進去穿。 It它 is called that這樣叫 because是因為 when you spread it flat把它攤平的時候， the body and the two sleeves衣身和兩隻袖子 make the shape of a capital T排成大寫T的形狀。

It started in the 1920s as men's underwear — soldiers and sailors wore it under their uniforms — and only after the 1950s did people begin wearing it on its own as ordinary clothing. That history still leaves a small trace: in some formal settings a plain T-shirt can feel too casual, like being seen in your underclothes.

It它 in the 1920s在1920年代 started as一開始是 men's underwear男性內衣—— soldiers and sailors士兵和水手 under their uniforms在制服底下 wore it穿它—— and only after the 1950s要到1950年代以後 people did begin人們才開始 wearing it on its own把它單獨穿、 as ordinary clothing當作平常的衣服。 That history那段歷史 still到今天還 leaves a small trace留著一點痕跡： in some formal settings在某些正式場合， a plain T-shirt一件素T can feel too casual會顯得太隨便， like being seen in your underclothes像穿著內衣被人看到。

Today it is probably the most-worn piece of clothing on earth, and it is also a surface people write and print on — band names, jokes, slogans, protest lines.

Today今天 it它 is probably大概是 on earth地球上 the most-worn piece of clothing被穿最多的一件衣服， and it它 also也 is a surface是一個表面， people人們 write and print on在上面寫字、印圖—— band names樂團名、 jokes笑話、 slogans標語、 protest lines抗議的句子。

'T-shirt' is the standard spelling; 'tee shirt', 'tee', and 'teeshirt' also appear, and 'a tee' is common in shops and casual speech. A version with long sleeves is a long-sleeved T-shirt, which sounds odd but is what people say.

'T-shirt' is the standard spelling是標準拼法；'tee shirt'、'tee'、'teeshirt' also appear也看得到， and 'a tee' in shops and casual speech在店裡和隨口聊天裡 is common很常見。 with long sleeves長袖的 A version版本 is叫 a long-sleeved T-shirt， which sounds odd這聽起來怪怪的 but但 is what people say大家就是這樣說。