Meaning of smooth frame-up what does check-up bend? If be how?

体检屈光不正什么意思？如果是正的又如何？

youdao

Coming out of the final bend, the runner stepped up a gear to overtake the rest of the pack.

赛跑者绕过最后一个弯道后开始加速，以图超越同组的其他选手。

《牛津词典》

When Thomas had eaten all the cherries, his father said to him, "My dear son, if you had bent down earlier to pick up that horseshoe, it would not have been necessary for you to bend so many times for the cherries."

当托马斯吃完所有的樱桃后，他的父亲对他说：“我亲爱的儿子，如果你早点弯腰捡起那只马蹄铁，你就不必弯那么多次腰去捡樱桃了。”

youdao

You pick it up, just bend down and pick it up.

BBC: Scientists study the spider silk

The Kevlar reinforced cables can bend up over 1 million times which is up to one hundred times the industry standard.

ENGADGET: V-Moda ships its listener-influenced Crossfade M-100 headphones

Did he not invade Iraq on trumped-up charges, bend America's laws and values to permit the torture of prisoners, and leave his successor the worst economic crisis since the 1930s?

ECONOMIST: Lexington