Backstroke is a way of swimming on your back: you face the sky, your arms take turns reaching back through the water, and your feet kick.

Backstroke仰式is a way of swimming on your back是一種躺著游的游泳方式：you face the sky你面朝天空，your arms take turns reaching back through the water雙手輪流往後划過水裡，and your feet kick腳同時打水。

It is one of the four racing strokes, alongside freestyle, breaststroke, and butterfly.

It is它是one of the four racing strokes四種競賽式泳姿之一，alongside freestyle, breaststroke, and butterfly跟自由式、蛙式、蝶式並列。

People also use the word for the race itself: “She won the 100 metres backstroke.” You can use it as a verb too: “He backstroked into the wall.” You travel head-first, not feet-first; you are lying on your back, not swimming “backwards” in the everyday sense.

People also use the word for the race itself大家也會用這個字指這個項目本身："She won the 100 metres backstroke."「她贏了100公尺仰式。」You can use it as a verb too也可以當動詞用："He backstroked into the wall."「他仰式游到撞牆。」You travel head-first, not feet-first你是頭先走，不是腳先走；you are lying on your back你是躺著的，not swimming "backwards" in the everyday sense不是日常意義的「往後游」。

Though actually, beginners often wander out of the lane because they cannot see where they are going, which is why flags hang over the pool near the end — so a backstroke swimmer can count the strokes and not hit the wall with their head.

Though actually不過事實上，beginners often wander out of the lane初學者常常會游出水道，because they cannot see where they are going因為他們看不到前面，which is why也因此flags hang over the pool near the end泳池尾端會掛旗子——so a backstroke swimmer can count the strokes好讓仰式選手可以數划水次數，and not hit the wall with their head而不會用頭去撞牆。