Slo-mo is short for slow motion: action that is shown happening more slowly than it did in real life, so you can see each bit of it.

Slo-mo is short for slow motionslo-mo是slow motion的縮寫：action that is shown happening more slowly than it did in real life指的是動作被呈現得比實際發生時更慢，so you can see each bit of it好讓你能看清楚每個細節。

Films use slo-mo for a jump, a punch, an explosion, a look on someone’s face. Sports replays put a goal or a photo finish in slo-mo so the crowd can judge it. Video games use it as a trick: time slows, and you line up a shot.

Films use slo-mo電影會用slo-mo for a jump來拍跳躍、a punch出拳、an explosion爆炸、a look on someone's face某人臉上的表情。Sports replays put a goal or a photo finish in slo-mo體育重播會把進球或衝線瞬間放進slo-mo裡，so the crowd can judge it好讓觀眾能判斷。Video games use it as a trick電玩遊戲把它當成一種技巧來用：time slows時間變慢，and you line up a shot然後你就能好好瞄準射擊。

People say it as a noun (watch it in slo-mo), as a kind of adjective (a slo-mo replay), and sometimes as a verb (they slo-mo’d the catch).

People say it as a noun大家會把它當名詞用 (watch it in slo-mo)（用slo-mo看它）, as a kind of adjective也會當形容詞用 (a slo-mo replay)（一個slo-mo重播）, and sometimes as a verb有時候也當動詞用 (they slo-mo'd the catch)（他們把接球畫面slo-mo'd了）。

It is informal and belongs to screens — cinema, television, phones, games — not to a clock running slowly in the real world. If a person walks slowly down a corridor, that is not slo-mo unless you are joking that it looks like a film.

It is informal and belongs to screens這是口語，屬於螢幕的世界——cinema, television, phones, games電影院、電視、手機、遊戲——not to a clock running slowly in the real world不是指現實世界裡走得比較慢的時鐘。If a person walks slowly down a corridor如果一個人在走廊上慢慢走，that is not slo-mo這不算slo-mo，unless you are joking that it looks like a film除非你是在開玩笑說那看起來像電影畫面。

The spelling tells you it is clipped speech: slo for slow, mo for motion, usually with a hyphen. You will also see slo mo and slomo. In a formal essay, slow motion is the full form; in a chat about a clip, slo-mo is what people type.

The spelling tells you it is clipped speech拼法告訴你這是縮略的口語：slo for slowslo代表slow，mo for motionmo代表motion，usually with a hyphen通常中間會有個連字號。You will also see slo mo and slomo你也會看到slo mo和slomo這兩種寫法。In a formal essay在正式的文章裡，slow motion is the full form完整的寫法是slow motion；in a chat about a clip但在討論影片的聊天裡，slo-mo is what people type大家打字通常就打slo-mo。

Though actually, the effect is often fake in the sense that the camera filmed at a high frame rate and we play it back slowly — the event itself was fast. Learners only need the idea: the picture has been stretched in time so we can watch it.

Though actually不過，the effect is often fake in the sense that這個效果其實常常是「假的」，意思是 the camera filmed at a high frame rate and we play it back slowly攝影機用高格率拍攝，然後把它慢速播放出來——the event itself was fast事件本身其實發生得很快。Learners only need the idea學習者只需要抓住這個概念：the picture has been stretched in time so we can watch it畫面在時間上被拉長了，好讓我們能看清楚。